[develop | DONE | ADDED] add variable for xlarge border-radius and new blur options

less/mixin.less

@@ -1,12 +1,12 @@
-.set-blur-background(@color: @base-body-background, @opacity: 80%) {
+.set-blur-background(@color: @base-body-background, @opacity: 80%, @blur: saturate(180%) blur(20px)) {
   &.uk-blur-background, .uk-blur-background {
     background: fade(@color, 99%);
   }
 
   @supports ((-webkit-backdrop-filter: none) or (backdrop-filter: none)) {
     &.uk-blur-background, .uk-blur-background {
-      -webkit-backdrop-filter: saturate(180%) blur(20px);
-      backdrop-filter: saturate(180%) blur(20px);
+      -webkit-backdrop-filter: @blur;
+      backdrop-filter: @blur;
       background: fade(@color, @opacity) !important;
     }
   }

less/subnav.less

@@ -21,7 +21,7 @@
 /* Pills alt*/
 @subnav-pill-alt-item-padding-vertical: 10px;
 @subnav-pill-alt-item-padding-horizontal: 20px;
-@subnav-pill-alt-item-border-radius: 24px;
+@subnav-pill-alt-item-border-radius: @global-xlarge-border-radius;
 @subnav-pill-alt-item-color: @global-color;
 @subnav-pill-alt-item-hover-color: @global-secondary-background;
 @subnav-pill-alt-item-active-font-weight: 600;
@@ -72,13 +72,4 @@
       background-image: @subnav-pill-alt-item-active-background-gradient;
     }
   }
-}
-
-/* Inverse */
-@inverse-subnav-pill-alt-box-shadow: @inverse-global-large-box-shadow;
-
-.hook-inverse-misc() {
-  .uk-subnav.uk-subnav-pill-alt {
-    box-shadow: @inverse-subnav-pill-alt-box-shadow;
-  }
-}
+}

less/utility.less

@@ -1,6 +1,8 @@
 @dropcap-font-size: @global-line-height * 3;
 @border-rounded-border-radius: @global-border-radius;
 @border-rounded-small-border-radius: @global-small-border-radius;
+@border-rounded-xlarge-border-radius: @global-xlarge-border-radius;
+
 
 @border-width: @global-border-width;
 @border-color: @global-border;
@@ -49,6 +51,10 @@
   .uk-border-rounded-small {
     border-radius: @border-rounded-small-border-radius;
   }
+  
+  .uk-border-rounded-xlarge {
+    border-radius: @border-rounded-xlarge-border-radius;
+  }
 }
 
 /* Inverse */

less/variables.less

@@ -36,6 +36,7 @@
 @global-border: @muted-color;
 @global-border-radius: 6px;
 @global-small-border-radius: 4px;
+@global-xlarge-border-radius: 4 * @global-border-radius;
 
 /* Shadows*/
 @global-default-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.1);