Fix the logo seclectors

src/app/components/header/header.component.scss

@@ -75,19 +75,15 @@ $theme-transition: all 0.3s ease-in-out;
 
     &__logo {
       &--container {
-        &--container {
+        display: flex;
-          display: flex;
+        flex-direction: row;
-          flex-direction: row;
+        gap: 2rem;
-          gap: 2rem;
+      }
-        }
 
-        &--sandkasten {
+      &--sandkasten {
-          &--sandkasten {
+        width: 4rem;
-            width: 4rem;
+        height: auto;
-            height: auto;
+        aspect-ratio: 1;
-            aspect-ratio: 1;
-          }
-        }
       }
     }
   }