remove background and width from multiselect bar, fix Download button not showing on mobile

apps/files/css/files.css

@@ -145,7 +145,6 @@ table.multiselect thead th {
 }
 table.multiselect #headerName {
 	position: relative;
-	width: 100%;
 }
 table td.selection, table th.selection, table td.fileaction { width:2em; text-align:center; }
 table td.filename a.name {

apps/files_sharing/css/public.css

@@ -72,9 +72,8 @@ p.info a {
 	max-width:100%;
 }
 
-thead{
-	background-color: white;
-	padding-left:0 !important; /* fixes multiselect bar offset on shared page */
+thead {
+	padding-left: 0 !important; /* fixes multiselect bar offset on shared page */
 }
 
 #data-upload-form {