feat: a useless hover effect because raisins

public/less/admin/header.less

@@ -102,6 +102,10 @@
 			border-bottom: 4px solid transparent;
 			transition: border-color 150ms linear;
 
+			&:hover {
+				border-color: darken(@brand-primary, 20%);
+			}
+
 			&.active {
 				border-color: @brand-primary;
 			}