Add vivaldi browser modifications

.vivaldi-mods/css/extensions-dropdown.css

@@ -0,0 +1,33 @@
+/*
+ * Vertical extensions drop-down menu
+ * Forum link: https://forum.vivaldi.net/topic/96266/vertical-extensions-drop-down-menu
+ */
+
+/* Vertical Extensions Drop-Down Menu */
+.extensionIconPopupMenu {
+    --popupWidth: 280px !important;
+}
+
+.extensionIconPopupMenu > .toolbar {
+    max-height: 50vh;
+    overflow: hidden auto;
+    flex-direction: column;
+    flex-wrap: nowrap;
+    align-items: stretch;
+}
+
+.extensionIconPopupMenu .ExtensionDropdownIcon > button {
+    justify-content: flex-start;
+    padding: 8px 10px;
+}
+
+.extensionIconPopupMenu .ExtensionDropdownIcon > button::after {
+    content: attr(title);
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.extensionIconPopupMenu .ExtensionDropdownIcon .button-badge {
+    top: auto;
+    right: 10px;
+}