remove transitions for file rows and actions because it made everything seem sluggish

core/css/styles.css

@@ -182,13 +182,11 @@ fieldset.warning legend { color:#b94a48 !important; }
 #notification { z-index:101; background-color:#fc4; border:0; padding:0 .7em .3em; display:none; position:fixed; left:50%; top:0; -moz-border-radius-bottomleft:1em; -webkit-border-bottom-left-radius:1em; border-bottom-left-radius:1em; -moz-border-radius-bottomright:1em; -webkit-border-bottom-right-radius:1em; border-bottom-right-radius:1em; }
 #notification span { cursor:pointer; font-weight:bold; margin-left:1em; }
 
-tr .action, .selectedActions a { -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; filter:alpha(opacity=0); opacity:0; -webkit-transition:opacity 200ms; -moz-transition:opacity 200ms; -o-transition:opacity 200ms; transition:opacity 200ms; }
+tr .action, .selectedActions a { -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; filter:alpha(opacity=0); opacity:0; }
 tr:hover .action, .selectedActions a { -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)"; filter:alpha(opacity=50); opacity:.5; }
 tr .action { width:16px; height:16px; }
 .header-action { -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)"; filter:alpha(opacity=80); opacity:.8; }
 tr:hover .action:hover, .selectedActions a:hover, .header-action:hover { -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=100)"; filter:alpha(opacity=100); opacity:1; }
-
-table:not(.nostyle) tr { -webkit-transition:background-color 200ms; -moz-transition:background-color 200ms; -o-transition:background-color 200ms; transition:background-color 200ms; }
 tbody tr:hover, tr:active { background-color:#f8f8f8; }
 
 #body-settings .personalblock, #body-settings .helpblock { padding:.5em 1em; margin:1em; background:#f8f8f8; color:#555; text-shadow:#fff 0 1px 0; -moz-border-radius:.5em; -webkit-border-radius:.5em; border-radius:.5em; }