Issue #1290512 by droplet: Fixed Seven: remove duplicated css.

themes/seven/style-rtl.css

@@ -8,7 +8,6 @@ dl dl {
 }
 ul,
 .block ul,
-.item-list ul,
 .item-list ul {
   margin: 0.25em 1.5em 0.25em 0;
 }

themes/seven/style.css

@@ -100,7 +100,6 @@ acronym {
 }
 ul,
 .block ul,
-.item-list ul,
 .item-list ul {
   list-style-type: disc;
   list-style-image: none;
@@ -598,11 +597,9 @@ div.teaser-checkbox .form-item,
   margin: 0;
   padding: 0;
 }
-.form-item label.option {
-  text-transform: none;
-}
 .form-item label.option {
   font-size: 0.923em;
+  text-transform: none;
 }
 .form-item label.option input {
   vertical-align: middle;