fix multiselect bar opacity, webroot

apps/files/css/files.css

@@ -14,7 +14,7 @@
 	padding: 0 !important; /* override default control bar button padding */
 }
 #trash {
-	margin: 0 1em;
+	margin-right: 12px;
 	float: right;
 }
 #new>a, #trash>a {
@@ -114,7 +114,7 @@ table th#headerDate, table td.date {
 table.multiselect thead {
 	position: fixed;
 	top: 89px;
-	z-index: 1;
+	z-index: 10;
 	-moz-box-sizing: border-box;
 	box-sizing: border-box;
 	left: 0;
@@ -123,7 +123,7 @@ table.multiselect thead {
 }
 
 table.multiselect thead th {
-	background-color: rgba(210,210,210,.7);
+	background-color: rgba(220,220,220,.8);
 	color: #000;
 	font-weight: bold;
 	border-bottom: 0;

apps/files_sharing/css/public.css

@@ -3,7 +3,7 @@ body {
 }
 
 #header {
-	background: #1d2d44 url('../../../core/img/noise.png') repeat;
+	background: #1d2d44 url('%webroot%/core/img/noise.png') repeat;
 	height:2.5em;
 	left:0;
 	line-height:2.5em;