adjust design to match file app

Signed-off-by: Florian Schunk <florian.schunk@rwth-aachen.de>

core/css/styles.scss

@@ -703,7 +703,7 @@ code {
 	.dirtree {
 		flex-wrap: wrap;
 		padding-left: 12px;
-		padding-right: 44px;
+		padding-right: 0px;
 		box-sizing: border-box;
 
 		div:first-child a {
@@ -752,24 +752,25 @@ code {
 		box-sizing: border-box;
 		display: inline-flex;
 		float: none;
-		max-height: 44px;
-		max-width:44px;
+		max-height: 36px;
+		max-width: 36px;
 		background-color: var(--color-background-dark);
 		border: 1px solid var(--color-border-dark);
 		border-radius: var(--border-radius-pill);
 		position: relative;
+		top: -5px;
 		
 		.icon.icon-add{
 			background-image: var(--icon-add-000);
 			background-size: 16px 16px;
-			max-height:44px;
-			width:44px;
+			max-height:36px;
+			width:36px;
 			margin:0px;
 			
 		}
 
 		a {
-			width: 44px;
+			width: 36px;
 			padding: 0px;
 			position: static;
 		}