Merge pull request #13574 from alion300/master

Fix app navigation flickering on hover

Author: MorrisJobke

core/css/header.scss

@@ -510,7 +510,7 @@ nav[role='navigation'] {
 			opacity: 0;
 			position: absolute;
 			color: var(--color-primary-text);
-			bottom: -5px;
+			bottom: 2px;
 			width: calc(100% - 4px);
 			text-align: center;
 			overflow: hidden;