feat(front-end): ui improvements and alligment

frontend/src/app/features/shop/shop-page.component.scss

@@ -67,10 +67,9 @@
   color: var(--color-text);
   text-align: left;
   cursor: pointer;
-  transition:
-    background-color 0.18s ease,
-    border-color 0.18s ease,
-    transform 0.18s ease;
+  transition: background-color 0.18s ease,
+  border-color 0.18s ease,
+  transform 0.18s ease;
 }
 
 .category-link:hover,
@@ -253,13 +252,12 @@
 .skeleton-card {
   min-height: 400px;
   border-radius: 1.1rem;
-  background:
-    linear-gradient(
+  background: linear-gradient(
       110deg,
       rgba(255, 255, 255, 0.7) 8%,
       rgba(238, 235, 226, 0.95) 18%,
       rgba(255, 255, 255, 0.7) 33%
-    );
+  );
   background-size: 220% 100%;
   animation: skeleton 1.35s linear infinite;
 }