diff --git a/files/css/files.css b/files/css/files.css
index b54ea36e6ad..ef86664cf2d 100644
--- a/files/css/files.css
+++ b/files/css/files.css
@@ -26,19 +26,12 @@
 /* FILE TABLE */
 span#emptyfolder { position:absolute; margin:10em 0 0 10em; font-size:1.5em; font-weight:bold; color:#888; text-shadow:#fff 0 1px 0; }
 table { position:relative; top:37px; width:100%; }
-table tr { -webkit-transition:background-color ease-in 200ms;
--moz-transition:background-color ease-in 200ms;
--o-transition:background-color ease-in 200ms;
-transition:background-color ease-in 200ms; }
+table tr { -webkit-transition:background-color 500ms; -moz-transition:background-color 500ms; -o-transition:background-color 500ms; transition:background-color 500ms; }
 tbody tr:hover, tbody tr:active, tbody tr.selected { background-color:#f8f8f8; height:1em; }
 tbody tr.selected { background-color:#eee; }
 tbody a { color:#000; }
 span.extention, td.date { color:#999; }
-span.extention { opacity:0;
--webkit-transition:opacity ease-in 200ms;
--moz-transition:opacity ease-in 200ms;
--o-transition:opacity ease-in 200ms;
-transition:opacity ease-in 200ms; }
+span.extention { opacity:0; -webkit-transition:opacity 500ms; -moz-transition:opacity 500ms; -o-transition:opacity 500ms; transition:opacity 500ms; }
 tr:hover span.extention { opacity:1; }
 div.crumb { float:left; display:block; background:no-repeat right 0; padding:.75em 1.5em 0 1em; height:2.9em; }
 div.crumb:first-child { padding-left:1.5em; }
@@ -61,9 +54,10 @@ table td.filename .nametext { width:60%; }
 table td.filename form { float:left; font-size:.85em; }
 table thead.fixed tr{ position:fixed; top:6.3em; z-index:49; -moz-box-shadow:0 -3px 7px #000; -webkit-box-shadow:0 -3px 7px #000; box-shadow:0 -3px 7px #000; }
 table thead.fixed { height:2em; }
-#fileList tr input[type=checkbox] { display:none; float:left; margin:.7em 0 0 1em; /* bigger clickable area doesn’t work in FF width:2.8em; height:2.4em;*/ }
-#fileList tr input[type=checkbox]:checked, #fileList tr:hover input[type=checkbox] { display:inline; }
-#fileList tr.selected td.filename , #fileList tr:hover td.filename { background-image:none !important }
+#fileList tr input[type=checkbox] { opacity:0; float:left; margin:.7em 0 0 1em; /* bigger clickable area doesn’t work in FF width:2.8em; height:2.4em;*/ -webkit-transition:opacity 500ms; -moz-transition:opacity 500ms; -o-transition:opacity 500ms; transition:opacity 500ms; }
+#fileList tr input[type="checkbox"]:checked, #fileList tr:hover input[type="checkbox"] { opacity:1; }
+#fileList tr td.filename { -webkit-transition:background-image 500ms; -moz-transition:background-image 500ms; -o-transition:background-image 500ms; transition:background-image 500ms; }
+#fileList tr.selected td.filename, #fileList tr:hover td.filename { background-image:url('') !important; }
 #select_all { float:left; margin:.2em; margin-left:.6em; }
 #uploadsize-message,#delete-confirm { display:none; }
 .selectedActions a, a.file_action { float:right; display:inline; margin:0 .5em; padding:.3em .3em 0 .3em !important; }