Fix poster selection and cart

src/styles/scss/_cart.scss

@@ -10,14 +10,11 @@
     grid-template-columns: repeat(4, 1fr);
     gap: 1rem;
     max-height: calc(100vh - 4rem);
-    overflow-y: auto;
     padding-right: 1rem;
 
     .poster-card {
       position: relative;
       aspect-ratio: 2/3;
-      border-radius: 8px;
-      overflow: hidden;
 
       &:hover .delete-overlay {
         opacity: 1;
@@ -26,7 +23,6 @@
       .poster-image {
         width: 100%;
         height: 100%;
-        object-fit: cover;
       }
 
       .delete-overlay {

src/styles/scss/_posterSelector.scss

@@ -35,6 +35,7 @@ $hover-color: rgba(102, 119, 136, 0.2);
   }
 
   .movie-item {
+    padding: 0 2rem;
     margin-bottom: 1rem;
     transition: background-color 0.3s ease;
     display: flex;