Helios: makes the action text of key helpers bold for better readability

css/helios.css

@@ -545,6 +545,7 @@ body[id="helios"] .key_helper .label {
 body[id="helios"] .key_helper .action {
   padding: 0 0.5em 0 5px;
   color: inherit;
+  font-weight: bold;
 }
 body[id="helios"] .key_helper .selected {
   background-image: linear-gradient(top, #cccccc, #bbbbbb);

css/helios.less

@@ -627,6 +627,7 @@ body[id="helios"] {
 		.action {
 			padding: 0 0.5em 0 5px;
 			color: inherit;
+			font-weight: bold;
 		}
 
 		.selected {