diff --git a/src/wp-admin/css/color-picker.css b/src/wp-admin/css/color-picker.css
index 9869ccb2cc..3d3e5e8964 100644
--- a/src/wp-admin/css/color-picker.css
+++ b/src/wp-admin/css/color-picker.css
@@ -10,7 +10,7 @@
 
 /* Needs higher specificiity. */
 .wp-picker-container .wp-color-result.button {
-	min-height: 28px;
+	min-height: 30px;
 	margin: 0 6px 6px 0px;
 	padding: 0 0 0 30px;
 	font-size: 11px;
@@ -22,7 +22,7 @@
 	border-left: 1px solid #ccc;
 	color: #555;
 	display: block;
-	line-height: 2.36363636; /* 26px */
+	line-height: 2.54545455; /* 28px */
 	padding: 0 6px;
 	text-align: center;
 }
@@ -73,7 +73,9 @@
 .wp-picker-input-wrap .button.wp-picker-default,
 .wp-customizer .wp-picker-input-wrap .button.wp-picker-default {
 	margin-left: 6px;
-	padding: 2px 8px;
+	padding: 0 8px;
+	line-height: 2.54545455; /* 28px */
+	min-height: 30px;
 }
 
 .wp-picker-container .iris-square-slider .ui-slider-handle:focus {
@@ -87,14 +89,14 @@
 }
 
 .wp-picker-container input[type="text"].wp-color-picker {
-	width: 65px;
+	width: 4rem;
 	font-size: 12px;
 	font-family: monospace;
-	line-height: 1.33333333; /* 16px */
+	line-height: 2.33333333; /* 28px */
 	margin: 0;
-	padding: 5px;
+	padding: 0 5px;
 	vertical-align: top;
-	min-height: 28px;
+	min-height: 30px;
 }
 
 .wp-color-picker::-webkit-input-placeholder {
@@ -132,26 +134,38 @@
 
 @media screen and (max-width: 782px) {
 	.wp-picker-container input[type="text"].wp-color-picker {
-		width: 80px;
-		padding: 6px 5px 5px;
+		width: 5rem;
 		font-size: 16px;
-		line-height: 1.15;
+		line-height: 1.875; /* 30px */
+		min-height: 32px;
 	}
 
 	.wp-customizer .wp-picker-container input[type="text"].wp-color-picker {
-		padding: 5px 5px 4px;
+		padding: 0 5px;
+	}
+
+	.wp-picker-input-wrap .button.wp-picker-default {
+		padding: 0 8px;
+		line-height: 2.14285714; /* 30px */
+		min-height: 32px;
+	}
+
+	.wp-customizer .wp-picker-input-wrap .button.wp-picker-default {
+		padding: 0 8px;
+		font-size: 14px;
+		line-height: 2.14285714; /* 30px */
+		min-height: 32px;
 	}
 
 	.wp-picker-container .wp-color-result.button {
-		height: auto;
 		padding: 0 0 0 40px;
 		font-size: 14px;
-		line-height: 2.1;
+		line-height: 2.14285714; /* 30px */
 	}
 
 	.wp-customizer .wp-picker-container .wp-color-result.button {
-		font-size: 13px;
-		line-height: 2;
+		font-size: 14px;
+		line-height: 2.14285714; /* 30px */
 	}
 
 	.wp-picker-container .wp-color-result-text {
@@ -164,14 +178,3 @@
 		padding: 0 10px;
 	}
 }
-
-@media screen and (max-width: 640px) {
-	.wp-customizer .wp-picker-container .wp-color-result.button {
-		font-size: 14px;
-		line-height: 2.1;
-	}
-
-	.wp-customizer .wp-picker-container input[type="text"].wp-color-picker {
-		padding: 6px 5px;
-	}
-}
diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index f03fe26854..cf4a75be4d 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -924,11 +924,11 @@ span.required,
 
 #delete-action {
 	float: left;
-	line-height: 2.1;
+	line-height: 2.30769231; /* 30px */
 }
 
 #delete-link {
-	line-height: 2.1;
+	line-height: 2.30769231; /* 30px */
 	vertical-align: middle;
 	text-align: left;
 	margin-left: 8px;
@@ -945,7 +945,8 @@ span.required,
 }
 
 #publishing-action .spinner {
-	float: left;
+	float: none;
+	margin-top: 5px;
 }
 
 #misc-publishing-actions {
@@ -1086,12 +1087,9 @@ th.action-links {
 }
 
 .wp-filter .search-form input[type="search"] {
-	margin: 0;
+	margin: 1px 0;
 	width: 280px;
 	max-width: 100%;
-	font-size: inherit;
-	/* inherits font size 13px */
-	line-height: 2.15384615; /* 28px */
 }
 
 .wp-filter .search-form select {
diff --git a/src/wp-admin/css/customize-controls.css b/src/wp-admin/css/customize-controls.css
index fbc6411488..b72c110a2c 100644
--- a/src/wp-admin/css/customize-controls.css
+++ b/src/wp-admin/css/customize-controls.css
@@ -159,6 +159,7 @@ body:not(.ready) #customize-save-button-wrapper .save {
 	float: left;
 	transform: none;
 	margin-top: 0;
+	line-height: 2;
 }
 
 body:not(.ready) #publish-settings,
@@ -912,12 +913,6 @@ p.customize-section-description {
 	margin-bottom: 12px;
 }
 
-.customize-control select,
-.customize-control input[type="radio"],
-.customize-control input[type="checkbox"] {
-	line-height: 2;
-}
-
 .customize-control input[type="text"],
 .customize-control input[type="password"],
 .customize-control input[type="email"],
@@ -940,8 +935,6 @@ p.customize-section-description {
 
 .customize-control select {
 	width: 100%;
-	height: 28px;
-	line-height: 2;
 }
 
 .customize-control select[multiple] {
@@ -2871,15 +2864,11 @@ body.adding-widget .add-new-widget:before,
 	}
 
 	.wp-core-ui.wp-customizer .button {
-		padding: 6px 14px;
-		line-height: normal;
+		min-height: 30px;
+		padding: 0 14px;
+		line-height: 2;
 		font-size: 14px;
 		vertical-align: middle;
-		height: auto;
-	}
-
-	#publish-settings {
-		height: 31px;
 	}
 
 	#customize-control-changeset_status .customize-inside-control-row {
diff --git a/src/wp-admin/css/forms.css b/src/wp-admin/css/forms.css
index 8eb9f90e74..485439bd87 100644
--- a/src/wp-admin/css/forms.css
+++ b/src/wp-admin/css/forms.css
@@ -28,7 +28,7 @@ label {
 
 input,
 select {
-	margin: 1px;
+	margin: 0 1px;
 }
 
 textarea.code {
@@ -308,48 +308,41 @@ input[type="radio"].disabled:checked:before {
 ------------------------------------------------------------------------------*/
 
 /* Select styles are based on the default button in buttons.css */
-.wp-admin select {
-	font-size: 13px;
-	line-height: 1.38461538; /* 18px */
+.wp-core-ui select {
+	font-size: 14px;
+	line-height: 2; /* 28px */
 	color: #32373c;
 	border-color: #7e8993;
 	box-shadow: none;
 	border-radius: 3px;
-	padding: 3px 24px 3px 8px;
-	min-height: 28px;
+	padding: 0 24px 0 8px;
+	min-height: 30px;
 	max-width: 25rem;
-	vertical-align: middle;
 	-webkit-appearance: none;
 	/* The SVG is arrow-down-alt2 from Dashicons. */
 	background: #fff url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20width%3D%2220%22%20height%3D%2220%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M5%206l5%205%205-5%202%201-7%207-7-7%202-1z%22%20fill%3D%22%23555%22%2F%3E%3C%2Fsvg%3E') no-repeat right 5px top 55%;
 	background-size: 16px 16px;
 	cursor: pointer;
-}
+	vertical-align: middle;
+}e
 
-/* Color and font size in the core form tables. */
-.wp-admin .form-table select {
-	font-size: 14px;
-	line-height: 1.28571428; /* 18px */
-	color: #32373c;
-}
-
-.wp-admin select:hover {
+.wp-core-ui select:hover {
 	color: #007cba;
 }
 
-.wp-admin select:focus {
+.wp-core-ui select:focus {
 	border-color: #007cba;
 	color: #016087;
 	box-shadow: 0 0 0 1px #007cba;
 }
 
-.wp-admin select:active {
+.wp-core-ui select:active {
 	border-color: #999;
 	box-shadow: none;
 }
 
-.wp-admin select.disabled,
-.wp-admin select:disabled {
+.wp-core-ui select.disabled,
+.wp-core-ui select:disabled {
 	color: #a0a5aa;
 	border-color: #ddd;
 	background-color: #f7f7f7;
@@ -363,32 +356,32 @@ input[type="radio"].disabled:checked:before {
 
 /* Reset Firefox inner outline that appears on :focus. */
 /* This ruleset overrides the color change on :focus thus needs to be after select:focus. */
-.wp-admin select:-moz-focusring {
+.wp-core-ui select:-moz-focusring {
 	color: transparent;
 	text-shadow: 0 0 0 #016087;
 }
 
 /* Remove background focus style from IE11 while keeping focus style available on option elements. */
-.wp-admin select::-ms-value {
+.wp-core-ui select::-ms-value {
 	background: transparent;
 	color: #555;
 }
 
-.wp-admin select:hover::-ms-value {
+.wp-core-ui select:hover::-ms-value {
 	color: #007cba;
 }
 
-.wp-admin select:focus::-ms-value {
+.wp-core-ui select:focus::-ms-value {
 	color: #016087;
 }
 
-.wp-admin select.disabled::-ms-value,
-.wp-admin select:disabled::-ms-value {
+.wp-core-ui select.disabled::-ms-value,
+.wp-core-ui select:disabled::-ms-value {
 	color: #a0a5aa;
 }
 
 /* Hide the native down arrow for select element on IE. */
-.wp-admin select::-ms-expand {
+.wp-core-ui select::-ms-expand {
 	display: none;
 }
 
@@ -407,7 +400,7 @@ input[type="radio"].disabled:checked:before {
 	margin-top: 0;
 }
 
-.wp-admin select[multiple] {
+.wp-core-ui select[multiple] {
 	height: auto;
 	padding-right: 8px;
 	background: #fff;
@@ -484,14 +477,7 @@ input[type="number"].tiny-text {
 #doaction,
 #doaction2,
 #post-query-submit {
-	margin: 1px 8px 0 0;
-}
-
-.tablenav #changeit,
-.tablenav #delete_all,
-.tablenav #clear-recent-list,
-.wp-filter #delete_all {
-	margin-top: 1px;
+	margin: 0 8px 0 0;
 }
 
 .tablenav .actions select {
@@ -508,6 +494,10 @@ input[type="number"].tiny-text {
 .wp-cancel-pw > .dashicons {
 	position: relative;
 	top: 3px;
+	width: 1.25rem;
+	height: 1.25rem;
+	top: 0.25rem;
+	font-size: 20px;
 }
 
 .wp-cancel-pw .dashicons-no {
@@ -601,9 +591,12 @@ fieldset label,
 .wp-pwd [type="password"] {
 	margin-bottom: 0;
 	/* Same height as the buttons */
-	line-height: 20px;
-	min-height: 28px;
-	max-height: 40px;
+	min-height: 30px;
+}
+
+/* Hide the Edge "reveal password" native button */
+.wp-pwd input::-ms-reveal {
+	display: none;
 }
 
 #pass1-text,
@@ -1325,6 +1318,8 @@ table.form-table td .updated p {
 	input[type="week"] {
 		-webkit-appearance: none;
 		padding: 3px 10px;
+		/* Only necessary for IE11 */
+		min-height: 40px;
 	}
 
 	::-webkit-datetime-edit {
@@ -1376,7 +1371,7 @@ table.form-table td .updated p {
 		margin-top: 10px;
 	}
 
-	.wp-admin select,
+	.wp-core-ui select,
 	.wp-admin .form-table select {
 		min-height: 40px;
 		font-size: 16px;
@@ -1526,6 +1521,10 @@ table.form-table td .updated p {
 		font-size: 14px;
 	}
 
+	.background-position-control .button-group > label {
+		font-size: 0;
+	}
+
 	.form-table fieldset label {
 		display: block;
 	}
@@ -1561,10 +1560,14 @@ table.form-table td .updated p {
 		position: absolute;
 		right: 0;
 		top: 0;
+		width: 2.375rem;
+		height: 2.375rem;
+		min-width: 40px;
+		min-height: 40px;
 	}
 
 	.wp-pwd button.wp-hide-pw {
-		right: 40px;
+		right: 2.5rem;
 	}
 
 	.wp-pwd button.button:hover,
@@ -1585,6 +1588,7 @@ table.form-table td .updated p {
 	.wp-pwd [type="text"],
 	.wp-pwd [type="password"] {
 		line-height: 2;
+		padding-right: 5rem;
 	}
 
 	.wp-cancel-pw .dashicons-no {
diff --git a/src/wp-admin/css/list-tables.css b/src/wp-admin/css/list-tables.css
index 3de3f014c1..4e4f75aba5 100644
--- a/src/wp-admin/css/list-tables.css
+++ b/src/wp-admin/css/list-tables.css
@@ -638,6 +638,7 @@ th.asc a:focus span.sorting-indicator {
 	clear: both;
 	height: 30px;
 	margin: 6px 0 4px;
+	padding-top: 5px;
 	vertical-align: middle;
 }
 
@@ -647,7 +648,7 @@ th.asc a:focus span.sorting-indicator {
 
 .tablenav .tablenav-pages {
 	float: right;
-	margin: 3px 0 9px;
+	margin: 0 0 9px;
 }
 
 .tablenav .no-pages,
@@ -659,12 +660,12 @@ th.asc a:focus span.sorting-indicator {
 .tablenav .tablenav-pages .tablenav-pages-navspan {
 	display: inline-block;
 	vertical-align: baseline;
-	min-width: 28px;
-	min-height: 28px;
+	min-width: 30px;
+	min-height: 30px;
 	margin: 0;
 	padding: 0 4px;
 	font-size: 16px;
-	line-height: 1.5;
+	line-height: 1.625; /* 26px */
 	text-align: center;
 }
 
@@ -678,8 +679,7 @@ th.asc a:focus span.sorting-indicator {
 }
 
 .tablenav .actions {
-	overflow: hidden;
-	padding: 2px 8px 0 0;
+	padding: 0 8px 0 0;
 }
 
 .wp-filter .actions {
@@ -1034,11 +1034,9 @@ tr.inline-edit-row td,
 .inline-edit-row fieldset input[name=hh],
 .inline-edit-row fieldset input[name=mn],
 .inline-edit-row fieldset input[name=aa] {
-	font-size: 12px;
-	line-height: 1.16666666;
 	vertical-align: middle;
 	text-align: center;
-	padding: 6px 4px;
+	padding: 0 4px;
 }
 
 .inline-edit-row fieldset label input.inline-edit-password-input {
@@ -1952,6 +1950,15 @@ div.action-links,
 		box-sizing: border-box;
 	}
 
+	.inline-edit-row fieldset input[name=jj],
+	.inline-edit-row fieldset input[name=hh],
+	.inline-edit-row fieldset input[name=mn],
+	.inline-edit-row fieldset input[name=aa] {
+		font-size: 16px;
+		line-height: 2;
+		padding: 3px 4px;
+	}
+
 	.inline-edit-row fieldset ul.cat-checklist label,
 	.inline-edit-row #bulk-titles div {
 		font-size: 16px;
diff --git a/src/wp-admin/css/themes.css b/src/wp-admin/css/themes.css
index e4f73890ee..2b26a75f49 100644
--- a/src/wp-admin/css/themes.css
+++ b/src/wp-admin/css/themes.css
@@ -34,7 +34,6 @@ body.js .theme-browser.search-loading {
 	left: 20px;
 	margin: 0;
 	width: 280px;
-	font-size: inherit;
 }
 
 /* Position admin messages */
diff --git a/src/wp-includes/css/buttons.css b/src/wp-includes/css/buttons.css
index c2388cd19f..86844ddde0 100644
--- a/src/wp-includes/css/buttons.css
+++ b/src/wp-includes/css/buttons.css
@@ -46,8 +46,8 @@ TABLE OF CONTENTS:
 	display: inline-block;
 	text-decoration: none;
 	font-size: 13px;
-	line-height: 2;
-	min-height: 28px;
+	line-height: 2.15384615; /* 28px */
+	min-height: 30px;
 	margin: 0;
 	padding: 0 10px;
 	cursor: pointer;
@@ -71,15 +71,15 @@ TABLE OF CONTENTS:
 
 .wp-core-ui .button.button-large,
 .wp-core-ui .button-group.button-large .button {
-	min-height: 30px;
-	line-height: 2.15384615;
-	padding: 0 12px 2px;
+	min-height: 32px;
+	line-height: 2.30769231; /* 30px */
+	padding: 0 12px;
 }
 
 .wp-core-ui .button.button-small,
 .wp-core-ui .button-group.button-small .button {
-	min-height: 24px;
-	line-height: 2;
+	min-height: 26px;
+	line-height: 2.18181818; /* 24px */
 	padding: 0 8px;
 	font-size: 11px;
 }
@@ -349,11 +349,11 @@ TABLE OF CONTENTS:
 	input#publish,
 	input#save-post,
 	a.preview {
-		padding: 1px 14px;
-		line-height: 2;
+		padding: 0 14px;
+		line-height: 2.71428571; /* 38px */
 		font-size: 14px;
 		vertical-align: middle;
-		height: auto;
+		min-height: 40px;
 		margin-bottom: 4px;
 	}
 
@@ -377,10 +377,9 @@ TABLE OF CONTENTS:
 	/* Reset responsive styles in Press This, Customizer */
 
 	.wp-core-ui.wp-customizer .button {
-		padding: 0 10px 1px;
 		font-size: 13px;
-		line-height: 2;
-		min-height: 28px;
+		line-height: 2.15384615; /* 28px */
+		min-height: 30px;
 		margin: 0;
 		vertical-align: inherit;
 	}
diff --git a/src/wp-includes/css/editor.css b/src/wp-includes/css/editor.css
index 79528811ab..fe3bd106fa 100644
--- a/src/wp-includes/css/editor.css
+++ b/src/wp-includes/css/editor.css
@@ -1201,9 +1201,10 @@ i.mce-i-wp_code:before {
 
 .wp-media-buttons span.wp-media-buttons-icon {
 	display: inline-block;
-	width: 18px;
-	height: 18px;
-	vertical-align: text-top;
+	width: 20px;
+	height: 20px;
+	line-height: 1;
+	vertical-align: middle;
 	margin: 0 2px;
 }
 
@@ -1776,7 +1777,9 @@ div.wp-link-input input {
 	width: 300px;
 	padding: 3px;
 	box-sizing: border-box;
-	line-height: 1.28571429;
+	line-height: 1.28571429; /* 18px */
+	/* Override value inherited from default input fields. */
+	min-height: 26px;
 }
 
 .mce-toolbar div.wp-link-preview ~ .mce-btn,
diff --git a/src/wp-includes/css/media-views.css b/src/wp-includes/css/media-views.css
index 31b2ce866e..fbacc6251c 100644
--- a/src/wp-includes/css/media-views.css
+++ b/src/wp-includes/css/media-views.css
@@ -73,7 +73,7 @@
 
 .media-frame select,
 .wp-admin .media-frame select {
-	min-height: 28px;
+	min-height: 30px;
 	vertical-align: middle;
 }
 
@@ -120,6 +120,12 @@
 	line-height: 2.15384615; /* 28px */
 }
 
+/* Search field in the Media Library toolbar */
+.media-frame.mode-grid .wp-filter input[type="search"] {
+	font-size: 14px;
+	line-height: 2;
+}
+
 .media-frame input[type="text"]:focus,
 .media-frame input[type="password"]:focus,
 .media-frame input[type="number"]:focus,