still show the icon on row hover so the file type is still visible

files/css/files.css

@@ -54,10 +54,9 @@ 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 td.filename>input[type=checkbox]:first-child { 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:hover td.filename>input[type="checkbox"]:first-child { opacity:.5; }
+#fileList tr:hover td.filename>input[type="checkbox"]:first-child { opacity:.8; }
 #fileList tr td.filename>input[type="checkbox"]:checked:first-child { 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.action { float:right; display:inline; margin:0 .5em; padding:.3em .3em 0 .3em !important; }