style: Resize CSS icons in permission admin dialog

Author: ralflang

themes/default/rtl.css

@@ -100,7 +100,7 @@ span.horde-tree-image-16 {
 .tabset img {
     float: right;
     padding-right: 0;
-    padding-left: 2px;
+    padding-left: 4px;
 }
 
 /* Preferences. */

themes/default/screen.css

@@ -908,7 +908,9 @@ div.logintasks-item input {
 .tabset img {
     display: block;
     float: left;
-    padding: 1px 2px 0 0;
+    height: 16px;
+    width: 16px;
+    padding: 3px 4px 0 0;
 }
 
 /* Preferences. */