Fix popover icon size

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

core/css/apps.scss

@@ -841,20 +841,23 @@ kbd {
 			/* Override the app-navigation li opacity */
 			opacity: .7 !important;
 			[class^='icon-'],
+			[class*=' icon-'],
+			&[class^='icon-'],
+			&[class*=' icon-'] {
+				min-width: 0; /* Overwrite icons*/
+				min-height: 0;
+				background-position: 10px center;
+				background-size: 16px;
+			}
+			[class^='icon-'],
 			[class*=' icon-'] {
 				/* Keep padding to define the width to
 				 assure correct position of a possible text */
 				padding: 18px 0 18px 36px;
-				min-width: 0; /* Overwrite icons*/
-				min-height: 0;
-				background-position: 10px center;
 			}
 			&[class^='icon-'],
 			&[class*=' icon-'] {
 				padding: 0 10px 0 36px !important;
-				min-width: 0; /* Overwrite icons*/
-				min-height: 0;
-				background-position: 10px center;
 			}
 			&:hover, &:focus, &.active {
 				opacity: 1 !important;