remove redundant css

Author: lenadax

treibstoff/bundle/treibstoff.css

@@ -10,16 +10,6 @@
 .modal-footer:empty {
     display: none;
 }
-.modal-footer button.close {
-    background-image:linear-gradient(to bottom, #fff 0%, #e0e0e0 100%);
-    background-repeat:repeat-x;
-    border:#ccc 1px solid;
-    padding:6px 12px;
-    font-size:14px;
-    font-weight:normal;
-    line-height:1.42857;
-    opacity:1;
-}
 .modal.info .modal-body,
 .modal.warning .modal-body,
 .modal.error .modal-body,