diff --git a/src/wp-admin/css/admin-menu.css b/src/wp-admin/css/admin-menu.css
index 3e48c7014d..c6616a4686 100644
--- a/src/wp-admin/css/admin-menu.css
+++ b/src/wp-admin/css/admin-menu.css
@@ -52,56 +52,56 @@
 }
 
 .icon16.icon-dashboard:before {
-	content: '\f226';
+	content: "\f226";
 }
 
 .icon16.icon-post:before {
-	content: '\f109';
+	content: "\f109";
 }
 
 .icon16.icon-media:before {
-	content: '\f104';
+	content: "\f104";
 }
 
 .icon16.icon-links:before {
-	content: '\f103';
+	content: "\f103";
 }
 
 .icon16.icon-page:before {
-	content: '\f105';
+	content: "\f105";
 }
 
 .icon16.icon-comments:before {
-	content: '\f101';
+	content: "\f101";
 	margin-top: 1px;
 }
 
 .icon16.icon-appearance:before {
-	content: '\f100';
+	content: "\f100";
 }
 
 .icon16.icon-plugins:before {
-	content: '\f106';
+	content: "\f106";
 }
 
 .icon16.icon-users:before {
-	content: '\f110';
+	content: "\f110";
 }
 
 .icon16.icon-tools:before {
-	content: '\f107';
+	content: "\f107";
 }
 
 .icon16.icon-settings:before {
-	content: '\f108';
+	content: "\f108";
 }
 
 .icon16.icon-site:before {
-	content: '\f112'
+	content: "\f112";
 }
 
 .icon16.icon-generic:before {
-	content: '\f111';
+	content: "\f111";
 }
 
 /* hide background-image for icons above */
@@ -586,7 +586,7 @@ ul#adminmenu > li.current > a.current:after {
 }
 
 #collapse-button div:after {
-	content: '\f148';
+	content: "\f148";
 	display: block;
 	line-height: 15px;
 	left: -3px;
@@ -901,7 +901,7 @@ li#wp-admin-bar-menu-toggle {
 	}
 
 	#wpadminbar #wp-admin-bar-menu-toggle .ab-icon:before {
-		content: '\f228';
+		content: "\f228";
 		display: inline-block;
 		float: left;
 		font: normal 40px/45px dashicons;
diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index 406aa8d84d..0caa933039 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -295,7 +295,7 @@ blockquote:before,
 blockquote:after,
 q:before,
 q:after {
-	content: '';
+	content: "";
 	content: none;
 }
 
@@ -754,7 +754,7 @@ img.emoji {
 .notice-dismiss:before {
 	background: none;
 	color: #b4b9be;
-	content: '\f153';
+	content: "\f153";
 	display: block;
 	font: normal 16px/20px dashicons;
 	speak: none;
@@ -1492,7 +1492,7 @@ form.upgrade .hint {
 
 #screen-meta-links .show-settings:after {
 	right: 0;
-	content: '\f140';
+	content: "\f140";
 	font: normal 20px/1 dashicons;
 	speak: none;
 	display: inline-block;
@@ -1507,7 +1507,7 @@ form.upgrade .hint {
 }
 
 #screen-meta-links .screen-meta-active:after {
-	content: '\f142';
+	content: "\f142";
 }
 
 /* end screen options and help tabs */
@@ -2163,11 +2163,11 @@ div.star-holder .star-rating {
 }
 
 .star-rating .star-full:before {
-	content:'\f155';
+	content: "\f155";
 }
 
 .star-rating .star-half:before {
-	content:'\f459';
+	content: "\f459";
 }
 
 .rtl .star-rating .star-half {
@@ -2177,7 +2177,7 @@ div.star-holder .star-rating {
 }
 
 .star-rating .star-empty:before {
-	content:'\f154';
+	content: "\f154";
 }
 
 div.action-links {
@@ -2750,12 +2750,12 @@ img {
 /* Show the arrow only on hover */
 .js .sidebar-name .sidebar-name-arrow:before,
 .js .meta-box-sortables .postbox .handlediv:before {
-	content: '\f142';
+	content: "\f142";
 }
 
 .js .widgets-holder-wrap.closed .sidebar-name-arrow:before,
 .js .meta-box-sortables .postbox.closed .handlediv:before {
-	content: '\f140';
+	content: "\f140";
 }
 
 .error a {
@@ -2864,7 +2864,7 @@ img {
 .control-section .accordion-section-title:after,
 .accordion-section-title:after {
 	right: 0;
-	content: '\f140';
+	content: "\f140";
 	border: none;
 	background: none;
 	font: normal 20px/1 dashicons;
@@ -2919,7 +2919,7 @@ img {
 #customize-info.open .accordion-section-title:after,
 .nav-menus-php .menu-item-edit-active .item-edit:before,
 .widget.open .widget-top a.widget-action:after {
-	content: '\f142';
+	content: "\f142";
 }
 
 /*!
diff --git a/src/wp-admin/css/customize-nav-menus.css b/src/wp-admin/css/customize-nav-menus.css
index 2f50281e3c..2174069958 100644
--- a/src/wp-admin/css/customize-nav-menus.css
+++ b/src/wp-admin/css/customize-nav-menus.css
@@ -154,19 +154,19 @@
 }
 
 .menus-move-down:before {
-	content: '\f347';
+	content: "\f347";
 }
 
 .menus-move-up:before {
-	content: '\f343';
+	content: "\f343";
 }
 
 .menus-move-left:before {
-	content: '\f341';
+	content: "\f341";
 }
 
 .menus-move-right:before {
-	content: '\f345';
+	content: "\f345";
 }
 
 .move-up-disabled .menus-move-up,
@@ -233,7 +233,7 @@
 }
 
 .wp-customizer .menu-item .item-edit .toggle-indicator:after {
-	content: '\f140';
+	content: "\f140";
 	font: normal 20px/1 dashicons;
 	color: #a0a5aa;
 	vertical-align: top;
@@ -244,7 +244,7 @@
 }
 
 .wp-customizer .menu-item.menu-item-edit-active .item-edit .toggle-indicator:after {
-	content: '\f142';
+	content: "\f142";
 }
 
 .wp-customizer .menu-item-settings p.description {
@@ -628,7 +628,7 @@
 }
 
 #available-menu-items .accordion-section-title .toggle-indicator:after {
-	content: '\f140';
+	content: "\f140";
 	font: normal 20px/1 dashicons;
 	color: #a0a5aa;
 	vertical-align: top;
@@ -643,7 +643,7 @@
 }
 
 #available-menu-items .open .accordion-section-title .toggle-indicator:after {
-	content: '\f142';
+	content: "\f142";
 }
 
 #available-menu-items .accordion-section-content {
diff --git a/src/wp-admin/css/customize-widgets.css b/src/wp-admin/css/customize-widgets.css
index e9d71f6d20..c4a4ff7b1a 100644
--- a/src/wp-admin/css/customize-widgets.css
+++ b/src/wp-admin/css/customize-widgets.css
@@ -196,15 +196,15 @@
 }
 
 .move-widget:before {
-	content: '\f504';
+	content: "\f504";
 }
 
 .move-widget-down:before {
-	content: '\f347';
+	content: "\f347";
 }
 
 .move-widget-up:before {
-	content: '\f343';
+	content: "\f343";
 }
 
 #customize-theme-controls .first-widget .move-widget-up,
@@ -252,7 +252,7 @@
 
 #customize-theme-controls .widget-area-select li:before {
 	display: none;
-	content: '\f147';
+	content: "\f147";
 	position: absolute;
 	top: 12px;
 	left: 10px;
diff --git a/src/wp-admin/css/dashboard.css b/src/wp-admin/css/dashboard.css
index eeda7d8503..6c145fa8f0 100644
--- a/src/wp-admin/css/dashboard.css
+++ b/src/wp-admin/css/dashboard.css
@@ -223,31 +223,31 @@
 
 .welcome-panel .welcome-write-blog:before,
 .welcome-panel .welcome-edit-page:before {
-	content:'\f119';
+	content: "\f119";
 	top: -3px;
 }
 
 .welcome-panel .welcome-add-page:before {
-	content:'\f132';
+	content: "\f132";
 }
 
 .welcome-panel .welcome-view-site:before {
-	content:'\f115';
+	content: "\f115";
 	top: -2px;
 }
 
 .welcome-panel .welcome-widgets-menus:before {
-	content:'\f116';
+	content: "\f116";
 	top: -2px;
 }
 
 .welcome-panel .welcome-comments:before {
-	content:'\f117';
+	content: "\f117";
 	top: -1px;
 }
 
 .welcome-panel .welcome-learn-more:before {
-	content:'\f118';
+	content: "\f118";
 	top: -1px;
 }
 
@@ -394,7 +394,7 @@ body #dashboard-widgets .postbox form .submit {
 /* Dashboard right now - Icons */
 #dashboard_right_now li a:before,
 #dashboard_right_now li span:before {
-	content: '\f159';
+	content: "\f159";
 	font: normal 20px/1 dashicons;
 	speak: none;
 	display: block;
@@ -410,28 +410,28 @@ body #dashboard-widgets .postbox form .submit {
 
 #dashboard_right_now .page-count a:before,
 #dashboard_right_now .page-count span:before {
-	content: '\f105';
+	content: "\f105";
 }
 
 #dashboard_right_now .post-count a:before,
 #dashboard_right_now .post-count span:before {
-	content: '\f109';
+	content: "\f109";
 }
 
 #dashboard_right_now .comment-count a:before {
-	content: '\f101';
+	content: "\f101";
 }
 
 #dashboard_right_now .comment-mod-count a:before {
-	content: '\f125';
+	content: "\f125";
 }
 
 #dashboard_right_now .storage-count a:before {
-	content: '\f104';
+	content: "\f104";
 }
 
 #dashboard_right_now .storage-count.warning a:before {
-	content: '\f153';
+	content: "\f153";
 }
 
 /* Dashboard Quick Draft */
@@ -596,7 +596,7 @@ form.initial-form.quickpress-open input#title {
 }
 
 #dashboard_activity .comment-meta span.approve:before {
-	content: '\f227';
+	content: "\f227";
 	font: 20px/.5 dashicons;
 	margin-left: 12px;
 	vertical-align: middle;
@@ -626,7 +626,7 @@ form.initial-form.quickpress-open input#title {
 }
 
 #dashboard_activity .no-activity .smiley:before {
-	content: '\f328';
+	content: "\f328";
 	font: normal 120px/1 dashicons;
 	speak: none;
 	display: block;
@@ -908,7 +908,7 @@ a.rsswidget {
 }
 
 .rss-widget cite:before {
-	content: '\2014';
+	content: "\2014";
 }
 
 .dashboard-comment-wrap {
diff --git a/src/wp-admin/css/edit.css b/src/wp-admin/css/edit.css
index 55e1529849..09066ea3ba 100644
--- a/src/wp-admin/css/edit.css
+++ b/src/wp-admin/css/edit.css
@@ -483,16 +483,16 @@ span.wp-media-buttons-icon:before {
 }
 
 #post-body #visibility:before {
-	content: '\f177';
+	content: "\f177";
 }
 
 .curtime #timestamp:before {
-	content: '\f145';
+	content: "\f145";
 	top: -1px;
 }
 
 #post-body .misc-pub-revisions:before {
-	content: '\f321';
+	content: "\f321";
 }
 
 #timestampdiv {
@@ -850,61 +850,61 @@ label.post-format-icon {
 .post-state-format.post-format-standard:before,
 .post-format-icon.post-format-standard:before,
 a.post-state-format.format-standard:before {
-	content: '\f109';
+	content: "\f109";
 }
 
 .post-state-format.post-format-image:before,
 .post-format-icon.post-format-image:before,
 a.post-state-format.format-image:before {
-	content: '\f128';
+	content: "\f128";
 }
 
 .post-state-format.post-format-gallery:before,
 .post-format-icon.post-format-gallery:before,
 a.post-state-format.format-gallery:before {
-	content: '\f161';
+	content: "\f161";
 }
 
 .post-state-format.post-format-audio:before,
 .post-format-icon.post-format-audio:before,
 a.post-state-format.format-audio:before {
-	content: '\f127';
+	content: "\f127";
 }
 
 .post-state-format.post-format-video:before,
 .post-format-icon.post-format-video:before,
 a.post-state-format.format-video:before {
-	content: '\f126';
+	content: "\f126";
 }
 
 .post-state-format.post-format-chat:before,
 .post-format-icon.post-format-chat:before,
 a.post-state-format.format-chat:before {
-	content: '\f125';
+	content: "\f125";
 }
 
 .post-state-format.post-format-status:before,
 .post-format-icon.post-format-status:before,
 a.post-state-format.format-status:before {
-	content: '\f130';
+	content: "\f130";
 }
 
 .post-state-format.post-format-aside:before,
 .post-format-icon.post-format-aside:before,
 a.post-state-format.format-aside:before {
-	content: '\f123';
+	content: "\f123";
 }
 
 .post-state-format.post-format-quote:before,
 .post-format-icon.post-format-quote:before,
 a.post-state-format.format-quote:before {
-	content: '\f122';
+	content: "\f122";
 }
 
 .post-state-format.post-format-link:before,
 .post-format-icon.post-format-link:before,
 a.post-state-format.format-link:before {
-	content: '\f103';
+	content: "\f103";
 }
 
 /*------------------------------------------------------------------------------
diff --git a/src/wp-admin/css/forms.css b/src/wp-admin/css/forms.css
index d3b306aa00..887290b680 100644
--- a/src/wp-admin/css/forms.css
+++ b/src/wp-admin/css/forms.css
@@ -134,13 +134,13 @@ input[type="radio"]:checked:before {
 }
 
 input[type="checkbox"]:checked:before {
-	content: '\f147';
+	content: "\f147";
 	margin: -3px 0 0 -4px;
 	color: #1e8cbe;
 }
 
 input[type="radio"]:checked:before {
-	content: '\2022';
+	content: "\2022";
 	text-indent: -9999px;
 	-webkit-border-radius: 50px;
 	border-radius: 50px;
@@ -241,7 +241,7 @@ textarea[readonly] {
 }
 
 .form-table .form-required.form-invalid td:after {
-	content: '\f534';
+	content: "\f534";
 	font: normal 20px/1 dashicons;
 	color: #dc3232;
 	margin-left: -25px;
@@ -428,7 +428,7 @@ fieldset label,
 }
 
 #misc-publishing-actions label[for="post_status"]:before {
-	content: '\f173';
+	content: "\f173";
 	display: inline-block;
 	font: normal 20px/1 dashicons;
 	speak: none;
@@ -786,7 +786,7 @@ table.form-table td .updated p {
 }
 
 .pressthis-bookmarklet:after {
-	content: '';
+	content: "";
 	width: 70%;
 	height: 55%;
 	z-index: -1;
@@ -818,7 +818,7 @@ table.form-table td .updated p {
 .pressthis-bookmarklet span:before {
 	color: #777;
 	font: normal 20px/1 dashicons;
-	content:'\f157';
+	content: "\f157";
 	position: relative;
 	display: inline-block;
 	top: 4px;
diff --git a/src/wp-admin/css/list-tables.css b/src/wp-admin/css/list-tables.css
index a5fd0f59e3..1e6be9aff2 100644
--- a/src/wp-admin/css/list-tables.css
+++ b/src/wp-admin/css/list-tables.css
@@ -265,7 +265,7 @@ th .comment-grey-bubble {
 }
 
 th .comment-grey-bubble:before {
-	content: '\f101';
+	content: "\f101";
 	font: normal 20px/.5 dashicons;
 	speak: none;
 	display: inline-block;
@@ -442,7 +442,7 @@ table.media .column-title .filename {
 }
 
 .sorting-indicator:before {
-	content: '\f142';
+	content: "\f142";
 	font: normal 20px/1 dashicons;
 	speak: none;
 	display: inline-block;
@@ -467,13 +467,13 @@ table.media .column-title .filename {
 th.sorted.asc .sorting-indicator:before,
 th.desc:hover span.sorting-indicator:before,
 th.desc a:focus span.sorting-indicator:before {
-	content: '\f142';
+	content: "\f142";
 }
 
 th.sorted.desc .sorting-indicator:before,
 th.asc:hover span.sorting-indicator:before,
 th.asc a:focus span.sorting-indicator:before {
-	content: '\f140';
+	content: "\f140";
 }
 
 .wp-list-table .toggle-row {
@@ -520,7 +520,7 @@ th.asc a:focus span.sorting-indicator:before {
 	display: block;
 	padding: 1px 2px 1px 0;
 	color: #666;
-	content: '\f140';
+	content: "\f140";
 	font: normal 20px/1 dashicons;
 	line-height: 1;
 	-webkit-font-smoothing: antialiased;
@@ -529,7 +529,7 @@ th.asc a:focus span.sorting-indicator:before {
 }
 
 .wp-list-table .is-expanded .toggle-row:before {
-	content: '\f142';
+	content: "\f142";
 }
 
 tr.wp-locked .locked-indicator {
@@ -540,7 +540,7 @@ tr.wp-locked .locked-indicator {
 
 tr.wp-locked .locked-indicator:before {
 	color: #82878c;
-	content: '\f160';
+	content: "\f160";
 	display: inline-block;
 	float: left;
 	font: normal 20px/1 dashicons;
@@ -792,15 +792,15 @@ classes exist in paginate_links() but not seen in list table output. */
 }
 
 .view-switch .view-list:before {
-	content: '\f163';
+	content: "\f163";
 }
 
 .view-switch .view-excerpt:before {
-	content: '\f164';
+	content: "\f164";
 }
 
 .view-switch .view-grid:before {
-	content: '\f509';
+	content: "\f509";
 }
 
 .filter {
@@ -1356,7 +1356,7 @@ tr.active.update + tr.plugin-update-tr .plugin-update {
 
 .plugin-update-tr .update-message:before,
 .plugin-card .update-now:before {
-	content: '\f463';
+	content: "\f463";
 }
 
 .plugin-update-tr .update-message:before {
@@ -1370,7 +1370,7 @@ tr.active.update + tr.plugin-update-tr .plugin-update {
 
 .plugin-update-tr .updating-message:before,
 .plugin-card .updating-message:before {
-	content: '\f463';
+	content: "\f463";
 	-webkit-animation: rotation 2s infinite linear;
 	animation: rotation 2s infinite linear;
 }
@@ -1400,7 +1400,7 @@ tr.active.update + tr.plugin-update-tr .plugin-update {
 .plugin-update-tr .updated-message:before,
 .plugin-card .updated-message:before {
 	color: #79ba49;
-	content: '\f147';
+	content: "\f147";
 }
 
 .wp-list-table.plugins tbody tr.plugin-update-tr td.plugin-update {
@@ -1585,11 +1585,11 @@ div.action-links,
 }
 
 .plugin-card .compatibility-incompatible:before {
-	content: '\f158';
+	content: "\f158";
 }
 
 .plugin-card .compatibility-compatible:before {
-	content: '\f147';
+	content: "\f147";
 }
 
 .plugin-icon {
@@ -2056,7 +2056,7 @@ div.action-links,
 
 	/* mimic the checkbox th */
 	.plugins .plugin-update-tr:before {
-		content: '';
+		content: "";
 		display: table-cell;
 	}
 
diff --git a/src/wp-admin/css/media.css b/src/wp-admin/css/media.css
index 352f1d05b6..c83fafc53b 100644
--- a/src/wp-admin/css/media.css
+++ b/src/wp-admin/css/media.css
@@ -320,7 +320,7 @@
 	speak: none;
 	-webkit-font-smoothing: antialiased;
 	-moz-osx-font-smoothing: grayscale;
-	content: '\f158';
+	content: "\f158";
 }
 
 .find-box-buttons {
@@ -631,7 +631,7 @@ border color while dragging a file over the uploader drop area */
 }
 
 .upload-php .media-modal-close .media-modal-icon:before {
-	content: '\f335';
+	content: "\f335";
 	font-size: 22px;
 }
 
@@ -698,12 +698,12 @@ border color while dragging a file over the uploader drop area */
 
 .edit-attachment-frame .edit-media-header .left:before,
 .rtl .edit-attachment-frame .edit-media-header .right:before {
-	content: '\f341';
+	content: "\f341";
 }
 
 .edit-attachment-frame .edit-media-header .right:before,
 .rtl .edit-attachment-frame .edit-media-header .left:before {
-	content: '\f345';
+	content: "\f345";
 }
 
 .edit-attachment-frame .edit-media-header .left.disabled,
@@ -954,31 +954,31 @@ border color while dragging a file over the uploader drop area */
 }
 
 .imgedit-crop:before {
-	content:'\f165';
+	content: "\f165";
 }
 
 .imgedit-rleft:before {
-	content:'\f166';
+	content: "\f166";
 }
 
 .imgedit-rright:before {
-	content:'\f167';
+	content: "\f167";
 }
 
 .imgedit-flipv:before {
-	content:'\f168';
+	content: "\f168";
 }
 
 .imgedit-fliph:before {
-	content:'\f169';
+	content: "\f169";
 }
 
 .imgedit-undo:before {
-	content:'\f171';
+	content: "\f171";
 }
 
 .imgedit-redo:before {
-	content:'\f172';
+	content: "\f172";
 }
 
 .imgedit-crop-wrap {
diff --git a/src/wp-admin/css/press-this.css b/src/wp-admin/css/press-this.css
index b99ba1a7e0..20f4063ce1 100644
--- a/src/wp-admin/css/press-this.css
+++ b/src/wp-admin/css/press-this.css
@@ -421,7 +421,7 @@ strong {
 	height: 0;
 	border-style: solid;
 	border-color: transparent;
-	content: '';
+	content: "";
 }
 
 .split-button-body:before {
@@ -899,7 +899,7 @@ dd {
 }
 
 .tagchecklist .ntdelbutton:before {
-	content: '\f153';
+	content: "\f153";
 	display: block;
 	margin: 2px 0;
 	height: 20px;
@@ -1364,7 +1364,7 @@ html {
 }
 
 .alert:before {
-	content: '';
+	content: "";
 	position: absolute;
 	top: 50%;
 	left: 30px;
@@ -1596,7 +1596,7 @@ html {
 
 .post-title:before {
 	/* Keeps empty container from collapsing */
-	content: '\a0';
+	content: "\a0";
 	display: inline-block;
 	width: 0;
 	speak: none;
diff --git a/src/wp-admin/css/revisions.css b/src/wp-admin/css/revisions.css
index 89bc1348e4..9d2503b5f4 100644
--- a/src/wp-admin/css/revisions.css
+++ b/src/wp-admin/css/revisions.css
@@ -500,19 +500,19 @@ div.revisions-controls > .wp-slider > .ui-slider-handle {
 }
 
 .wp-slider .ui-slider-handle.from-handle:before {
-	content: '\f139';
+	content: "\f139";
 }
 
 .wp-slider .ui-slider-handle.to-handle:before {
-	content: '\f141';
+	content: "\f141";
 }
 
 .rtl .wp-slider .ui-slider-handle.from-handle:before {
-	content: '\f141';
+	content: "\f141";
 }
 
 .rtl .wp-slider .ui-slider-handle.to-handle:before {
-	content: '\f139';
+	content: "\f139";
 	right: -1px;
 }
 
diff --git a/src/wp-admin/css/themes.css b/src/wp-admin/css/themes.css
index a5f0085160..2b802aaed7 100644
--- a/src/wp-admin/css/themes.css
+++ b/src/wp-admin/css/themes.css
@@ -142,7 +142,7 @@
 }
 
 .theme-browser .theme .theme-screenshot:after {
-	content: '';
+	content: "";
 	display: block;
 	padding-top: 66.66666%; /* using a 3/2 aspect ratio */
 }
@@ -235,7 +235,7 @@
 
 .theme-browser .theme .theme-update:before,
 .theme-browser .theme .theme-installed:before {
-	content: '\f463';
+	content: "\f463";
 	display: inline-block;
 	font: normal 20px/1 dashicons;
 	margin: 0 6px 0 0;
@@ -316,7 +316,7 @@
 
 .theme-browser .theme.add-new-theme a:after {
 	display: block;
-	content: '';
+	content: "";
 	background: transparent;
 	background: rgba(0, 0, 0, 0);
 	position: absolute;
@@ -339,7 +339,7 @@
 	-webkit-border-radius: 50%;
 	border-radius: 50%;
 	display: inline-block;
-	content: '\f132';
+	content: "\f132";
 	-webkit-font-smoothing: antialiased;
 	font: normal 74px/115px dashicons;
 	width: 100px;
@@ -377,7 +377,7 @@
 	border-color: transparent;
 	color: #fff;
 	background: #0073aa;
-	content: '';
+	content: "";
 }
 
 .theme-browser .theme.add-new-theme .theme-name {
@@ -444,7 +444,7 @@
 	font: normal 22px/50px dashicons !important;
 	color: #777;
 	display: inline-block;
-	content: '\f335';
+	content: "\f335";
 	font-weight: 300;
 }
 
@@ -647,7 +647,7 @@ body.folded .theme-overlay .theme-wrap {
 }
 
 .theme-overlay .screenshot:after {
-	content: '';
+	content: "";
 	display: block;
 	padding-top: 75%; /* using a 4/3 aspect ratio */
 }
@@ -682,7 +682,7 @@ body.folded .theme-overlay .theme-wrap {
 }
 
 .theme-overlay .screenshot.thumb:after {
-	content: '';
+	content: "";
 	display: block;
 	padding-top: 100%; /* using a 1/1 aspect ratio */
 }
@@ -1079,7 +1079,7 @@ body.folded .theme-overlay .theme-wrap {
 	background: #0073aa;
 }
 .theme-browser .theme .theme-installed:before {
-	content: '\f147';
+	content: "\f147";
 }
 .theme-browser .theme.is-installed .theme-actions .button-primary {
 	display: none !important;
@@ -1330,7 +1330,7 @@ body.full-overlay-active {
 }
 
 .wp-full-overlay-sidebar:after {
-	content: '';
+	content: "";
 	display: block;
 	position: absolute;
 	top: 0;
diff --git a/src/wp-admin/css/widgets.css b/src/wp-admin/css/widgets.css
index 7df6a97200..d9481ad974 100644
--- a/src/wp-admin/css/widgets.css
+++ b/src/wp-admin/css/widgets.css
@@ -466,7 +466,7 @@ div#widgets-right .widget-top:hover,
 }
 
 .widgets-chooser li:focus:before {
-	content: '\f147';
+	content: "\f147";
 	display: block;
 	-webkit-font-smoothing: antialiased;
 	font: normal 26px/1 dashicons;
@@ -487,7 +487,7 @@ div#widgets-right .widget-top:hover,
 
 .widgets-chooser li.widgets-chooser-selected:before,
 .widgets-chooser li.widgets-chooser-selected:focus:before {
-	content: '\f147';
+	content: "\f147";
 	display: block;
 	-webkit-font-smoothing: antialiased;
 	font: normal 26px/1 dashicons;
diff --git a/src/wp-includes/css/admin-bar.css b/src/wp-includes/css/admin-bar.css
index 86ad74579d..b1a1c046d0 100644
--- a/src/wp-includes/css/admin-bar.css
+++ b/src/wp-includes/css/admin-bar.css
@@ -314,7 +314,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
 #wpadminbar .menupop .menupop > .ab-item:before {
 	top: 1px;
 	right: 4px;
-	content: '\f139';
+	content: "\f139";
 	color: inherit;
 }
 
@@ -326,7 +326,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
 #wpadminbar .ab-top-secondary .menupop .menupop > .ab-item:before {
 	top: 5px;
 	left: 3px;
-	content: '\f141';
+	content: "\f141";
 }
 
 #wpadminbar .quicklinks .menupop ul.ab-sub-secondary {
@@ -483,7 +483,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
 }
 
 #wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon:before {
-	content: '\f120';
+	content: "\f120";
 	top: 2px;
 }
 
@@ -504,7 +504,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
 }
 
 #wpadminbar .quicklinks li .blavatar:before {
-	content: '\f120';
+	content: "\f120";
 	height: 16px;
 	width: 16px;
 	display: inline-block;
@@ -517,18 +517,18 @@ html:lang(he-il) .rtl #wpadminbar *  {
 
 #wpadminbar #wp-admin-bar-my-sites > .ab-item:before,
 #wpadminbar #wp-admin-bar-site-name > .ab-item:before {
-	content: '\f112';
+	content: "\f112";
 	top: 2px;
 }
 
 #wpadminbar #wp-admin-bar-customize > .ab-item:before {
-	content: '\f540';
+	content: "\f540";
 	top: 2px;
 }
 
 
 #wpadminbar #wp-admin-bar-edit > .ab-item:before {
-	content: '\f464';
+	content: "\f464";
 	top: 2px;
 }
 
@@ -550,7 +550,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
 }
 
 #wpadminbar #wp-admin-bar-comments .ab-icon:before {
-	content: '\f101';
+	content: "\f101";
 	top: 3px;
 }
 
@@ -562,7 +562,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
  * New Content
  */
 #wpadminbar #wp-admin-bar-new-content .ab-icon:before {
-	content: '\f132';
+	content: "\f132";
 	top: 4px;
 }
 
@@ -570,7 +570,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
  * Updates
  */
 #wpadminbar #wp-admin-bar-updates .ab-icon:before {
-	content: '\f463';
+	content: "\f463";
 	top: 2px;
 }
 
@@ -599,7 +599,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
 	left: 5px;
 	z-index: 20;
 	font: normal 20px/1 dashicons !important;
-	content: '\f179';
+	content: "\f179";
 	speak: none;
 	-webkit-font-smoothing: antialiased;
 	-moz-osx-font-smoothing: grayscale;
@@ -653,7 +653,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
 
 /* IE8 doesn't redraw the pseudo elements unless you make a change to the content */
 #wpadminbar.ie8 #adminbarsearch.adminbar-focused:before {
-	content: '\f179 '; /* extra space */
+	content: "\f179 "; /* extra space */
 }
 
 #wpadminbar.ie8 > #wp-toolbar > #wp-admin-bar-top-secondary > #wp-admin-bar-search #adminbarsearch input.adminbar-input:focus {
diff --git a/src/wp-includes/css/dashicons.css b/src/wp-includes/css/dashicons.css
index e3b9a8088c..fe52fd94ca 100644
--- a/src/wp-includes/css/dashicons.css
+++ b/src/wp-includes/css/dashicons.css
@@ -474,7 +474,7 @@
 }
 
 .dashicons-randomize:before {
-	content: "\f503"
+	content: "\f503";
 }
 
 .dashicons-list-view:before {
@@ -610,83 +610,83 @@
 /* Media icons */
 
 .dashicons-media-archive:before {
-	content: "\f501"
+	content: "\f501";
 }
 
 .dashicons-media-audio:before {
-	content: "\f500"
+	content: "\f500";
 }
 
 .dashicons-media-code:before {
-	content: "\f499"
+	content: "\f499";
 }
 
 .dashicons-media-default:before {
-	content: "\f498"
+	content: "\f498";
 }
 
 .dashicons-media-document:before {
-	content: "\f497"
+	content: "\f497";
 }
 
 .dashicons-media-interactive:before {
-	content: "\f496"
+	content: "\f496";
 }
 
 .dashicons-media-spreadsheet:before {
-	content: "\f495"
+	content: "\f495";
 }
 
 .dashicons-media-text:before {
-	content: "\f491"
+	content: "\f491";
 }
 
 .dashicons-media-video:before {
-	content: "\f490"
+	content: "\f490";
 }
 
 .dashicons-playlist-audio:before {
-	content: "\f492"
+	content: "\f492";
 }
 
 .dashicons-playlist-video:before {
-	content: "\f493"
+	content: "\f493";
 }
 
 .dashicons-controls-play:before {
-	content: "\f522"
+	content: "\f522";
 }
 
 .dashicons-controls-pause:before {
-	content: "\f523"
+	content: "\f523";
 }
 
 .dashicons-controls-forward:before {
-	content: "\f519"
+	content: "\f519";
 }
 
 .dashicons-controls-skipforward:before {
-	content: "\f517"
+	content: "\f517";
 }
 
 .dashicons-controls-back:before {
-	content: "\f518"
+	content: "\f518";
 }
 
 .dashicons-controls-skipback:before {
-	content: "\f516"
+	content: "\f516";
 }
 
 .dashicons-controls-repeat:before {
-	content: "\f515"
+	content: "\f515";
 }
 
 .dashicons-controls-volumeon:before {
-	content: "\f521"
+	content: "\f521";
 }
 
 .dashicons-controls-volumeoff:before {
-	content: "\f520"
+	content: "\f520";
 }
 
 
@@ -709,11 +709,11 @@
 }
 
 .dashicons-plus-alt:before {
-	content: "\f502"
+	content: "\f502";
 }
 
 .dashicons-plus-alt2:before {
-	content: "\f543"
+	content: "\f543";
 }
 
 .dashicons-minus:before {
@@ -1012,4 +1012,4 @@
 
 .dashicons-layout:before {
 	content: "\f538";
-}
\ No newline at end of file
+}
diff --git a/src/wp-includes/css/editor.css b/src/wp-includes/css/editor.css
index 6faa345543..6d99c9799b 100644
--- a/src/wp-includes/css/editor.css
+++ b/src/wp-includes/css/editor.css
@@ -261,7 +261,7 @@ div.mce-inline-toolbar-grp:after {
 	height: 0;
 	border-style: solid;
 	border-color: transparent;
-	content: '';
+	content: "";
 }
 
 div.mce-inline-toolbar-grp.mce-arrow-up:before {
@@ -824,145 +824,145 @@ i.mce-i-dashicon,
 }
 
 i.mce-i-bold:before {
-	content: '\f200';
+	content: "\f200";
 }
 
 i.mce-i-italic:before {
-	content: '\f201';
+	content: "\f201";
 }
 
 i.mce-i-bullist:before {
-	content: '\f203';
+	content: "\f203";
 }
 
 i.mce-i-numlist:before {
-	content: '\f204';
+	content: "\f204";
 }
 
 i.mce-i-blockquote:before {
-	content: '\f205';
+	content: "\f205";
 }
 
 i.mce-i-alignleft:before {
-	content: '\f206';
+	content: "\f206";
 }
 
 i.mce-i-aligncenter:before {
-	content: '\f207';
+	content: "\f207";
 }
 
 i.mce-i-alignright:before {
-	content: '\f208';
+	content: "\f208";
 }
 
 i.mce-i-link:before {
-	content: '\f103';
+	content: "\f103";
 }
 
 i.mce-i-unlink:before {
-	content: '\f225';
+	content: "\f225";
 }
 
 i.mce-i-wp_more:before {
-	content: '\f209';
+	content: "\f209";
 }
 
 i.mce-i-strikethrough:before {
-	content: '\f224';
+	content: "\f224";
 }
 
 i.mce-i-spellchecker:before {
-	content: '\f210';
+	content: "\f210";
 }
 
 i.mce-i-fullscreen:before,
 i.mce-i-wp_fullscreen:before,
 i.mce-i-dfw:before,
 .qt-dfw:before {
-	content: '\f211';
+	content: "\f211";
 }
 
 i.mce-i-wp_adv:before {
-	content: '\f212';
+	content: "\f212";
 }
 
 i.mce-i-underline:before {
-	content: '\f213';
+	content: "\f213";
 }
 
 i.mce-i-alignjustify:before {
-	content: '\f214';
+	content: "\f214";
 }
 
 i.mce-i-forecolor:before,
 i.mce-i-backcolor:before {
-	content: '\f215';
+	content: "\f215";
 }
 
 i.mce-i-pastetext:before {
-	content: '\f217';
+	content: "\f217";
 }
 
 i.mce-i-removeformat:before {
-	content: '\f218';
+	content: "\f218";
 }
 
 i.mce-i-charmap:before {
-	content: '\f220';
+	content: "\f220";
 }
 
 i.mce-i-outdent:before {
-	content: '\f221';
+	content: "\f221";
 }
 
 i.mce-i-indent:before {
-	content: '\f222';
+	content: "\f222";
 }
 
 i.mce-i-undo:before {
-	content: '\f171';
+	content: "\f171";
 }
 
 i.mce-i-redo:before {
-	content: '\f172';
+	content: "\f172";
 }
 
 i.mce-i-help:before,
 i.mce-i-wp_help:before {
-	content: '\f223';
+	content: "\f223";
 }
 
 i.mce-i-wp-media-library:before {
-	content: '\f104';
+	content: "\f104";
 }
 
 i.mce-i-ltr:before {
-	content: '\f320';
+	content: "\f320";
 }
 
 i.mce-i-wp_page:before {
-	content: '\f105';
+	content: "\f105";
 }
 
 i.mce-i-hr:before {
-	content: '\f460';
+	content: "\f460";
 }
 
 .mce-close:before {
-	content: '\f158';
+	content: "\f158";
 }
 
 i.mce-i-wp_code:before {
-	content: '\f475';
+	content: "\f475";
 }
 
 /* RTL button icons */
 .rtl i.mce-i-outdent:before {
-	content: '\f222';
+	content: "\f222";
 }
 
 .rtl i.mce-i-indent:before {
-	content: '\f221';
+	content: "\f221";
 }
 
 /* Editors */
@@ -977,7 +977,7 @@ i.mce-i-wp_code:before {
 
 .wp-editor-tools:after {
 	clear: both;
-	content: '';
+	content: "";
 	display: table;
 }
 
@@ -1128,7 +1128,7 @@ i.mce-i-wp_code:before {
 }
 
 .wp-media-buttons .add_media span.wp-media-buttons-icon:before {
-	content: '\f104';
+	content: "\f104";
 }
 
 /* Quicktags */
@@ -1338,7 +1338,7 @@ i.mce-i-wp_code:before {
 	-moz-osx-font-smoothing: grayscale;
 	width: 36px;
 	height: 36px;
-	content: '\f158';
+	content: "\f158";
 }
 
 #wp-link-close:hover,
@@ -1384,11 +1384,11 @@ i.mce-i-wp_code:before {
 	speak: none;
 	-webkit-font-smoothing: antialiased;
 	-moz-osx-font-smoothing: grayscale;
-	content: '\f140';
+	content: "\f140";
 }
 
 .search-panel-visible #wp-link-search-toggle:after {
-	content: '\f142';
+	content: "\f142";
 }
 
 #wp-link input[type="text"] {
diff --git a/src/wp-includes/css/media-views.css b/src/wp-includes/css/media-views.css
index 40b676b43a..fdf70854e3 100644
--- a/src/wp-includes/css/media-views.css
+++ b/src/wp-includes/css/media-views.css
@@ -173,7 +173,7 @@
 }
 
 .media-modal-close .media-modal-icon:before {
-	content: '\f158';
+	content: "\f158";
 	font: normal 20px/1 dashicons;
 	speak: none;
 	vertical-align: middle;
@@ -836,7 +836,7 @@
 }
 
 .wp-core-ui .attachment-preview:before {
-	content: '';
+	content: "";
 	display: block;
 	padding-top: 100%;
 }
@@ -867,7 +867,7 @@
 }
 
 .wp-core-ui .attachment .thumbnail:after {
-	content: '';
+	content: "";
 	display: block;
 	position: absolute;
 	top: 0;
@@ -1091,7 +1091,7 @@
 	font: normal 30px/50px dashicons !important;
 	color: #777;
 	display: inline-block;
-	content: '\f335';
+	content: "\f335";
 	font-weight: 300;
 }
 
@@ -1474,7 +1474,7 @@
 }
 
 .media-selection:after {
-	content: '';
+	content: "";
 	display: block;
 	position: absolute;
 	top: 0;
@@ -1585,7 +1585,7 @@
 }
 
 .attachment-info .thumbnail-image:after {
-	content: '';
+	content: "";
 	display: block;
 	position: absolute;
 	top: 0;
@@ -1745,7 +1745,7 @@
 }
 
 .media-modal .imgedit-help-toggled span.dashicons:before {
-	content: '\f142';
+	content: "\f142";
 }
 
 .media-modal .imgedit-group img {
@@ -1897,13 +1897,13 @@
 	vertical-align: top;
 	-webkit-font-smoothing: antialiased;
 	-moz-osx-font-smoothing: grayscale;
-	content: '\f140';
+	content: "\f140";
 	display: inline-block;
 	margin-top: -2px;
 }
 
 .image-details .advanced-visible .advanced-toggle:after {
-	content: '\f142';
+	content: "\f142";
 }
 
 .image-details .embed-media-settings .size {
@@ -1934,7 +1934,7 @@
 }
 
 .image-details .custom-size:after {
-	content: '';
+	content: "";
 	display: table;
 	clear: both;
 }
@@ -1952,7 +1952,7 @@
 }
 
 .media-embed .thumbnail:after {
-	content: '';
+	content: "";
 	display: block;
 	position: absolute;
 	top: 0;
diff --git a/src/wp-includes/css/wp-auth-check.css b/src/wp-includes/css/wp-auth-check.css
index ea2f514ac3..4d54c0354b 100644
--- a/src/wp-includes/css/wp-auth-check.css
+++ b/src/wp-includes/css/wp-auth-check.css
@@ -71,7 +71,7 @@
 }
 
 #wp-auth-check-wrap .wp-auth-check-close:before {
-	content: '\f158';
+	content: "\f158";
 	display: block !important;
 	font: normal 20px/1 dashicons;
 	speak: none;
diff --git a/src/wp-includes/css/wp-pointer.css b/src/wp-includes/css/wp-pointer.css
index af563070e6..bea8ad65bb 100644
--- a/src/wp-includes/css/wp-pointer.css
+++ b/src/wp-includes/css/wp-pointer.css
@@ -25,7 +25,7 @@
 	-webkit-border-radius: 50%;
 	border-radius: 50%;
 	color: #00a0d2;
-	content: '\f227';
+	content: "\f227";
 	font: normal 20px/1.6 dashicons;
 	position: absolute;
 	top: 8px;
@@ -62,7 +62,7 @@
 .wp-pointer-buttons a.close:before {
 	background: none;
 	color: #b4b9be;
-	content: '\f153';
+	content: "\f153";
 	display: block !important;
 	font: normal 16px/1 dashicons;
 	speak: none;
@@ -149,7 +149,7 @@
 	border: 13px solid transparent;
 	border-bottom-color: #00a0d2;
 	display: block;
-	content: ' ';
+	content: " ";
 }
 
 .wp-pointer-bottom .wp-pointer-arrow {
@@ -165,7 +165,7 @@
 	border: 13px solid transparent;
 	border-top-color: #fff;
 	display: block;
-	content: ' ';
+	content: " ";
 }
 
 /* rtl:ignore */
@@ -183,7 +183,7 @@
 	border: 13px solid transparent;
 	border-right-color: #fff;
 	display: block;
-	content: ' ';
+	content: " ";
 }
 
 /* rtl:ignore */
@@ -201,7 +201,7 @@
 	border: 13px solid transparent;
 	border-left-color: #fff;
 	display: block;
-	content: ' ';
+	content: " ";
 }
 
 /* Disable pointers at responsive sizes */
diff --git a/src/wp-includes/js/thickbox/thickbox.css b/src/wp-includes/js/thickbox/thickbox.css
index 001cc74fa7..dd8894658a 100644
--- a/src/wp-includes/js/thickbox/thickbox.css
+++ b/src/wp-includes/js/thickbox/thickbox.css
@@ -126,7 +126,7 @@
 }
 
 .tb-close-icon:before {
-	content: '\f158';
+	content: "\f158";
 	font: normal 20px/29px dashicons;
 	speak: none;
 	-webkit-font-smoothing: antialiased;