use btn style action for consistency + cleaning button styles

src/Umbraco.Web.UI.Client/src/less/buttons.less

@@ -195,12 +195,9 @@ input[type="button"] {
 }
 // Made for Umbraco, 2019
 .btn-action {
-  .buttonBackground(@blueExtraDark, @blueDark, @white, @u-white);
-}
-// Made for Umbraco, 2019
-.btn-selection {
-    @btnSelectionBackgroundHover: darken(@pinkLight, 10%);
-  .buttonBackground(@pinkLight, @btnSelectionBackgroundHover, @blueExtraDark, @blueDark);
+  .buttonBackground(@blueExtraDark, lighten(@blueExtraDark, 10), @white, @u-white);
+  transition: background-color 240ms;
+  font-weight: 700;
 }
 // Made for Umbraco, 2019, used for buttons that has to stand back.
 .btn-white {

src/Umbraco.Web.UI.Client/src/less/components/editor/subheader/umb-editor-sub-header.less

@@ -1,7 +1,7 @@
 .umb-editor-sub-header {
    padding: 10px 0;
    margin-bottom: 10px;
-   background: @gray-10;
+   background: @brownGrayLight;
    display: flex;
    justify-content: space-between;
    margin-top: -10px;
@@ -12,7 +12,7 @@
     &.nested {
         margin-top: 0;
         margin-bottom: 0;
-        background: @gray-10;
+    	background: @brownGrayLight;
     }
 }
 

src/Umbraco.Web.UI.Client/src/views/languages/overview.html

@@ -16,7 +16,7 @@
             <umb-editor-sub-header>
 
                 <umb-editor-sub-header-content-left>
-                    <umb-button button-style="success"
+                    <umb-button button-style="action"
                                 type="button"
                                 action="vm.addLanguage()"
                                 label-key="languages_addLanguage">

src/Umbraco.Web.UI.Client/src/views/propertyeditors/listview/listview.html

@@ -13,13 +13,13 @@
                <umb-editor-sub-header-section ng-if="(listViewAllowedTypes && listViewAllowedTypes.length > 0 && (selection.length == 0)) && (currentNodePermissions == null || currentNodePermissions.canCreate)">
 
                    <div class="btn-group" ng-show="createAllowedButtonSingle">
-                       <a class="btn btn-white" ng-click="createBlank(entityType,listViewAllowedTypes[0].alias)">
+                       <a class="btn btn-action" ng-click="createBlank(entityType,listViewAllowedTypes[0].alias)">
                            <localize key="actions_create">Create</localize> {{listViewAllowedTypes[0].name}}
                        </a>
                    </div>
 
                    <div class="btn-group" ng-show="createAllowedButtonSingleWithBlueprints">
-                       <a class="btn btn-white dropdown-toggle" data-toggle="dropdown" ng-href="">
+                       <a class="btn btn-action dropdown-toggle" data-toggle="dropdown" ng-href="">
                            <span ng-click="createBlank(entityType,listViewAllowedTypes[0].alias)">
                                <localize key="actions_create">Create</localize> {{listViewAllowedTypes[0].name}}
                            </span>
@@ -37,7 +37,7 @@
                    </div>
 
                    <div class="btn-group" ng-show="createAllowedButtonMultiWithBlueprints">
-                       <a class="btn btn-white dropdown-toggle" data-toggle="dropdown" ng-href="" ng-click="page.createDropdownOpen = !page.createDropdownOpen">
+                       <a class="btn btn-action dropdown-toggle" data-toggle="dropdown" ng-href="" ng-click="page.createDropdownOpen = !page.createDropdownOpen">
                            <localize key="actions_create">Create</localize>
                            <span class="caret"></span>
                        </a>