Update styles and templates for improved checkout experience

- Adjusted CSS styles in custom.css and custom.scss for better layout and responsiveness, including changes to button sizes and margins.
- Updated the checkout button link in ps_shoppingcart.tpl to directly point to the order page.
- Changed text labels in cart-voucher.tpl for better localization.
- Modified continue shopping button text in cart.tpl to Polish.
- Enhanced index.tpl structure for better hook management and layout consistency.
- Added temporary image files in the checkout module for future use.

themes/charme/assets/css/custom.scss

@@ -182,7 +182,7 @@
   }
 
   .cart-line-product-quantity {
-    width: 80px !important;
+    width: 60px !important;
   }
 
   .suggestion:hover,
@@ -197,7 +197,7 @@
   a.cart-line-product-quantity-up,
   a.cart-line-product-quantity-down {
     height: 40px !important;
-    width: 40px !important;
+    width: 35px !important;
     border: 1px solid #d3d3d3 !important;
     margin-left: 3px;
     margin-right: 3px;
@@ -275,4 +275,32 @@ body.compact-cart #tc-container .qty-container .qty-box {
       width: 100% !important;
     }
   }
+}
+
+body.compact-cart #tc-container .product-line-actions {
+  flex-basis: auto;
+}
+
+.product-line-delete {
+  .remove-from-cart {
+    display: flex !important;
+    height: 40px;
+    width: 35px;
+    justify-content: center;
+    align-items: center;
+    border: 1px solid #d3d3d3;
+  }
+}
+
+@media (max-width: 767px) {
+
+  .product-line-qty,
+  .product-line-price,
+  .product-line-delete {
+    padding: 0 !important
+  }
+
+  .product-line-body {
+    padding-left: 5px !important;
+  }
 }