Ability to add files from the drive toolbar

Fix CSS issues with the different toolbars
Translate the backup URL button alert

www/drive/file.css

@@ -342,7 +342,6 @@ li {
 button.newElement {
     border-radius: 0px;
     height: 30px;
-    margin: 5px 5px;
     background: #888;
     color: #eee;
     font-size: 15px;
@@ -354,3 +353,58 @@ button.newElement:hover {
     box-shadow: 0px 0px 2px #000;
 }
 
+
+/* Style The Dropdown Button */
+.dropbtn {
+    background-color: #4CAF50;
+    color: white;
+    padding: 16px;
+    font-size: 16px;
+    border: none;
+    cursor: pointer;
+}
+
+/* The container <div> - needed to position the dropdown content */
+.dropdown-bar {
+    margin: 5px 5px;
+    position: relative;
+    display: inline-block;
+}
+
+/* Dropdown Content (Hidden by Default) */
+.dropdown-bar-content {
+    display: none;
+    position: absolute;
+    background-color: #f9f9f9;
+    min-width: 160px;
+    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
+}
+
+/* Links inside the dropdown */
+.dropdown-bar-content a {
+    color: black;
+    padding: 5px 16px;
+    text-decoration: none;
+    display: block;
+    cursor: pointer;
+    -webkit-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
+}
+.dropdown-bar-content hr {
+    margin: 5px 0px;
+}
+
+/* Change color of dropdown links on hover */
+.dropdown-bar-content a:hover {background-color: #f1f1f1}
+
+/* Show the dropdown menu on hover */
+..dropdown-bar-content:hover {
+    display: block;
+}
+
+/* Change the background color of the dropdown button when the dropdown content is shown */
+.dropdown-bar:hover .dropbtn {
+    background-color: #3e8e41;
+}