diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index 6c389315da..0e85f69f60 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -190,7 +190,7 @@ p.popular-tags,
 .feature-filter,
 .imgedit-group,
 .comment-ays {
-	border: 1px solid #e5e5e5;
+	border: 1px solid #ccd0d4;
 	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
 }
 
@@ -484,12 +484,12 @@ code {
 
 .widefat thead th,
 .widefat thead td {
-	border-bottom: 1px solid #e1e1e1;
+	border-bottom: 1px solid #ccd0d4;
 }
 
 .widefat tfoot th,
 .widefat tfoot td {
-	border-top: 1px solid #e1e1e1;
+	border-top: 1px solid #ccd0d4;
 	border-bottom: none;
 }
 
@@ -771,7 +771,7 @@ img.emoji {
 
 .postbox .hndle,
 .stuffbox .hndle {
-	border-bottom: 1px solid #eee;
+	border-bottom: 1px solid #ccd0d4;
 }
 
 .quicktags,
@@ -999,7 +999,7 @@ th.action-links {
 	padding: 0 10px;
 	width: 100%;
 	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
-	border: 1px solid #e5e5e5;
+	border: 1px solid #ccd0d4;
 	background: #fff;
 	color: #555;
 	font-size: 13px;
@@ -1366,8 +1366,9 @@ th.action-links {
 div.updated,
 div.error {
 	background: #fff;
-	border-left: 4px solid #fff;
-	box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.1);
+	border: 1px solid #ccd0d4;
+	border-left-width: 4px;
+	box-shadow: 0 1px 1px rgba(0,0,0,.04)
 	margin: 5px 15px 2px;
 	padding: 1px 12px;
 }
@@ -1670,7 +1671,7 @@ form.upgrade .hint {
 	margin: 0 20px -1px 0px;
 	position: relative;
 	background-color: #fff;
-	border: 1px solid #ddd;
+	border: 1px solid #ccd0d4;
 	border-top: none;
 	box-shadow: 0 1px 0 rgba(0, 0, 0, 0.025);
 }
@@ -1687,9 +1688,9 @@ form.upgrade .hint {
 }
 
 #screen-meta-links .show-settings {
-	border: 1px solid #ddd;
+	border: 1px solid #ccd0d4;
 	border-top: none;
-	border-bottom-color: #ccc;
+	border-bottom-color: #ccd0d4;
 	height: auto;
 	margin-bottom: 0;
 	padding: 3px 6px 3px 16px;
@@ -1836,7 +1837,7 @@ form.upgrade .hint {
 	bottom: 0;
 	left: 150px;
 	right: 170px;
-	border: 1px solid #e1e1e1;
+	border: 1px solid #ccd0d4;
 	border-top: none;
 	border-bottom: none;
 	background: #f6fbfd;
@@ -1889,7 +1890,7 @@ form.upgrade .hint {
 }
 
 .contextual-help-tabs .active a {
-	border-color: #e1e1e1;
+	border-color: #ccd0d4;
 	color: #32373c;
 }
 
diff --git a/src/wp-admin/css/dashboard.css b/src/wp-admin/css/dashboard.css
index 8f562bd2a7..4b66fab203 100644
--- a/src/wp-admin/css/dashboard.css
+++ b/src/wp-admin/css/dashboard.css
@@ -103,7 +103,7 @@
 	overflow: auto;
 	margin: 16px 0;
 	padding: 23px 10px 0;
-	border: 1px solid #e5e5e5;
+	border: 1px solid #ccd0d4;
 	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
 	background: #fff;
 	font-size: 13px;
diff --git a/src/wp-admin/css/edit.css b/src/wp-admin/css/edit.css
index 4b03870f22..d987bc8534 100644
--- a/src/wp-admin/css/edit.css
+++ b/src/wp-admin/css/edit.css
@@ -153,7 +153,7 @@ body.post-new-php .submitbox .submitdelete {
 .postbox {
 	position: relative;
 	min-width: 255px;
-	border: 1px solid #e5e5e5;
+	border: 1px solid #ccd0d4;
 	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
 	background: #fff;
 }
@@ -309,7 +309,7 @@ form#tags-filter {
 #post-status-info {
 	width: 100%;
 	border-spacing: 0;
-	border: 1px solid #e5e5e5;
+	border: 1px solid #ccd0d4;
 	border-top: none;
 	background-color: #f7f7f7;
 	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
@@ -360,7 +360,7 @@ form#tags-filter {
 
 .wp-editor-expand #wp-content-editor-tools {
 	z-index: 1000;
-	border-bottom: 1px solid #e5e5e5;
+	border-bottom: 1px solid #ccd0d4;
 }
 
 .wp-editor-expand #wp-content-editor-container {
@@ -377,7 +377,7 @@ form#tags-filter {
 }
 
 .wp-editor-expand #post-status-info {
-	border-top: 1px solid #e5e5e5;
+	border-top: 1px solid #ccd0d4;
 }
 
 .wp-editor-expand div.mce-toolbar-grp {
diff --git a/src/wp-admin/css/forms.css b/src/wp-admin/css/forms.css
index f5385c1822..c576e7ad90 100644
--- a/src/wp-admin/css/forms.css
+++ b/src/wp-admin/css/forms.css
@@ -794,7 +794,7 @@ table.form-table td .updated p {
 	padding: 0.7em 2em 1em;
 	min-width: 255px;
 	max-width: 520px;
-	border: 1px solid #e5e5e5;
+	border: 1px solid #ccd0d4;
 	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
 	background: #fff;
 	box-sizing: border-box;
diff --git a/src/wp-admin/css/nav-menus.css b/src/wp-admin/css/nav-menus.css
index ec9960eae4..15d238d169 100644
--- a/src/wp-admin/css/nav-menus.css
+++ b/src/wp-admin/css/nav-menus.css
@@ -647,7 +647,7 @@ body.menu-max-depth-11 { min-width: 1280px !important; }
 	padding: 10px 0 10px 10px;
 	position: relative;
 	z-index: 10; /* Keep .item-title's shadow from appearing on top of .menu-item-settings */
-	border: 1px solid #e5e5e5;
+	border: 1px solid #ccd0d4;
 	border-top: none;
 	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
 }
diff --git a/src/wp-admin/css/site-health.css b/src/wp-admin/css/site-health.css
index 07807eba1d..9c7b01dbcb 100644
--- a/src/wp-admin/css/site-health.css
+++ b/src/wp-admin/css/site-health.css
@@ -273,12 +273,12 @@
 }
 
 .health-check-accordion {
-	border: 1px solid #e2e4e7;
+	border: 1px solid #ccd0d4;
 }
 
 .health-check-accordion-heading {
 	margin: 0;
-	border-top: 1px solid #e2e4e7;
+	border-top: 1px solid #ccd0d4;
 	font-size: inherit;
 	line-height: inherit;
 	font-weight: 600;
diff --git a/src/wp-admin/css/themes.css b/src/wp-admin/css/themes.css
index 06f8d37e4f..904fa5d6a9 100644
--- a/src/wp-admin/css/themes.css
+++ b/src/wp-admin/css/themes.css
@@ -1047,7 +1047,7 @@ body.folded .theme-browser ~ .theme-overlay .theme-wrap {
 .upload-theme .wp-upload-form,
 .upload-plugin .wp-upload-form {
 	background: #fafafa;
-	border: 1px solid #e5e5e5;
+	border: 1px solid #ccd0d4;
 	padding: 30px;
 	margin: 30px auto;
 	max-width: 380px;