only remove underline for links in element theme

res/css/_common.scss

@@ -75,7 +75,6 @@ a:hover,
 a:link,
 a:visited {
     color: $accent-color-alt;
-    text-decoration: none;
 }
 
 input[type=text],

res/themes/element/css/_mods.scss

@@ -24,3 +24,9 @@
 .mx_RoomSublist2_showNButton {
     background-color: transparent !important;
 }
+
+a:hover,
+a:link,
+a:visited {
+    text-decoration: none;
+}