fix: Volume slider has 0 webkit border-radius

frontend/src/components/modals/EditSong/index.vue

@@ -1948,7 +1948,7 @@ export default {
 							cursor: pointer;
 							box-shadow: 0;
 							background: var(--light-grey-3);
-							border-radius: 0;
+							border-radius: @border-radius;
 							border: 0;
 						}
 
@@ -1957,7 +1957,7 @@ export default {
 							border: 0;
 							height: 19px;
 							width: 19px;
-							border-radius: 15px;
+							border-radius: 100%;
 							background: var(--primary-color);
 							cursor: pointer;
 							-webkit-appearance: none;

frontend/src/pages/Station/index.vue

@@ -2675,7 +2675,7 @@ export default {
 						cursor: pointer;
 						box-shadow: 0;
 						background: var(--light-grey-3);
-						border-radius: 0;
+						border-radius: @border-radius;
 						border: 0;
 					}
 
@@ -2684,7 +2684,7 @@ export default {
 						border: 0;
 						height: 19px;
 						width: 19px;
-						border-radius: 15px;
+						border-radius: 100%;
 						background: var(--primary-color);
 						cursor: pointer;
 						-webkit-appearance: none;