diff --git a/core/modules/views_ui/css/views_ui.admin.css b/core/modules/views_ui/css/views_ui.admin.css
index 3d1db05..8aa3a13 100644
--- a/core/modules/views_ui/css/views_ui.admin.css
+++ b/core/modules/views_ui/css/views_ui.admin.css
@@ -118,7 +118,7 @@
   opacity: 0.5;
 }
 .views-display-tab .details-wrapper > .views-ui-display-tab-bucket .actions {
-  opacity: 1.0;
+  opacity: 1;
 }
 .views-displays .tabs .add {
   position: relative;
diff --git a/core/themes/bartik/css/base/elements.css b/core/themes/bartik/css/base/elements.css
index 645cefa..54d8681 100644
--- a/core/themes/bartik/css/base/elements.css
+++ b/core/themes/bartik/css/base/elements.css
@@ -41,32 +41,32 @@ h2 a {
  */
 h1,
 .heading-a {
-  margin: 1.0em 0 0.5em;
+  margin: 1em 0 0.5em;
   font-weight: inherit;
   font-size: 1.357em;
   color: #000;
 }
 h2,
 .heading-b {
-  margin: 1.0em 0 0.5em;
+  margin: 1em 0 0.5em;
   font-weight: inherit;
   font-size: 1.143em;
 }
 h3,
 .heading-c {
-  margin: 1.0em 0 0.5em;
+  margin: 1em 0 0.5em;
   font-weight: inherit;
   font-size: 1.092em;
 }
 h4,
 .heading-d {
-  margin: 1.0em 0 0.5em;
+  margin: 1em 0 0.5em;
   font-weight: inherit;
   font-size: 1.05em;
 }
 h5,
 .heading-e {
-  margin: 1.0em 0 0.5em;
+  margin: 1em 0 0.5em;
   font-weight: inherit;
   font-size: 0.889em;
   text-transform: uppercase;
@@ -74,7 +74,7 @@ h5,
 }
 h6,
 .heading-f {
-  margin: 1.0em 0 0.5em;
+  margin: 1em 0 0.5em;
   font-weight: inherit;
   font-size: 0.67em;
   text-transform: uppercase;
diff --git a/core/themes/bartik/css/components/buttons.css b/core/themes/bartik/css/components/buttons.css
index 823315d..dce08c2 100644
--- a/core/themes/bartik/css/components/buttons.css
+++ b/core/themes/bartik/css/components/buttons.css
@@ -17,7 +17,7 @@
   font-size: 0.929em;
   font-weight: normal;
   text-align: center;
-  padding: 0.250em 1.063em;
+  padding: 0.25em 1.063em;
   border-radius: 1em;
   display: inline-block;
   line-height: normal;
diff --git a/core/themes/bartik/css/components/primary-menu.css b/core/themes/bartik/css/components/primary-menu.css
index 72404cc..ee7514d 100644
--- a/core/themes/bartik/css/components/primary-menu.css
+++ b/core/themes/bartik/css/components/primary-menu.css
@@ -194,7 +194,7 @@ body:not(:target) .region-primary-menu .menu-toggle-target-show:target ~ .menu .
   .featured .region-primary-menu .menu-item a:active,
   .featured .region-primary-menu .menu-item a.is-active {
     background: #f0f0f0;
-    background: rgba(240, 240, 240, 1.0);
+    background: rgba(240, 240, 240, 1);
   }
   body:not(:target) .region-primary-menu .menu-toggle {
     display: none;
diff --git a/core/themes/bartik/css/components/ui-dialog.css b/core/themes/bartik/css/components/ui-dialog.css
index f90091c..ca52678 100644
--- a/core/themes/bartik/css/components/ui-dialog.css
+++ b/core/themes/bartik/css/components/ui-dialog.css
@@ -29,6 +29,6 @@
   font-size: 0.929em;
   font-weight: normal;
   text-align: center;
-  padding: 0.250em 1.063em;
+  padding: 0.25em 1.063em;
   border-radius: 1em;
 }
diff --git a/core/themes/seven/css/components/jquery.ui/theme.css b/core/themes/seven/css/components/jquery.ui/theme.css
index 63d23ef..cd899e1 100644
--- a/core/themes/seven/css/components/jquery.ui/theme.css
+++ b/core/themes/seven/css/components/jquery.ui/theme.css
@@ -331,7 +331,7 @@
  */
 .ui-widget-overlay {
   background: #000;
-  opacity: .70;
+  opacity: .7;
   filter: alpha(Opacity=70);
 }
 
diff --git a/core/themes/seven/css/theme/ckeditor-dialog.css b/core/themes/seven/css/theme/ckeditor-dialog.css
index 0228442..e791a2e 100644
--- a/core/themes/seven/css/theme/ckeditor-dialog.css
+++ b/core/themes/seven/css/theme/ckeditor-dialog.css
@@ -14,7 +14,7 @@
   width: 100%;
   height: 100%;
   background: #000;
-  opacity: 0.70;
+  opacity: 0.7;
 }
 [dir="rtl"] .cke_reset_all * {
   text-align: right;
@@ -196,7 +196,7 @@
 }
 .cke_reset_all .cke_dialog_footer_buttons a.cke_dialog_ui_button:focus {
   z-index: 10;
-  border: 1px solid #3AB2FF;
+  border: 1px solid #3ab2ff;
   box-shadow: 0 0 0.5em 0.1em hsla(203, 100%, 60%, 0.7);
 }
 .cke_reset_all .cke_dialog_footer_buttons a.cke_dialog_ui_button:active {
diff --git a/core/themes/stable/css/views_ui/views_ui.admin.css b/core/themes/stable/css/views_ui/views_ui.admin.css
index 3d1db05..8aa3a13 100644
--- a/core/themes/stable/css/views_ui/views_ui.admin.css
+++ b/core/themes/stable/css/views_ui/views_ui.admin.css
@@ -118,7 +118,7 @@
   opacity: 0.5;
 }
 .views-display-tab .details-wrapper > .views-ui-display-tab-bucket .actions {
-  opacity: 1.0;
+  opacity: 1;
 }
 .views-displays .tabs .add {
   position: relative;