count btn updated (#355)

<!-- ISSUE & PR TITLE SHOULD BE SAME-->
## Description
✨[feature Request]: count button UI enhancement #346


## Related Issues

<!--Cite any related issue(s) this pull request addresses. If none,
simply state “None”-->
- Closes #

## Type of PR
<!-- Mention PR Type according to the issue in brackets below and check
the below box -->
- [feature Request ] ()

## Screenshots / videos (if applicable)



https://github.com/user-attachments/assets/cbbb8b70-9b5c-4f52-8163-8c9697bd56ea


## Checklist
<!-- [X] - put a cross/X inside [] to check the box -->
- [X ] I have gone through the [contributing
guide](https://github.com/Anjaliavv51/Retro)
- [X ] I have updated my branch and synced it with project `main` branch
before making this PR
- [ X] I have performed a self-review of my code
- [X ] I have tested the changes thoroughly before submitting this pull
request.
- [ X] I have provided relevant issue numbers, screenshots, and videos
after making the changes.
- [ X] I have commented my code, particularly in hard-to-understand
areas.


## Additional context:
<!--Include any additional information or context that might be helpful
for reviewers.-->

.vscode/settings.json

@@ -1,4 +1,4 @@
 {
 
-    "liveServer.settings.port": 5502
+    "liveServer.settings.port": 5503
 }

Html-files/cart.html

@@ -219,25 +219,35 @@
     }
 
     .decrease-quantity {
-      padding-inline: 10px;
-      background: #1454f7;
+      padding-inline: 12px;
+      background: #a52a2a;
       border: none;
       border-radius: 2px;
       font-size: 20px;
       font-weight: 500;
-      color: #cbf7e3;
+      color: white;
+      margin: 5px;
+    }
+    .decrease-quantity:hover{
+      background-color: white;
+      color: #a52a2a;
     }
 
     .increase-quantity {
-      padding-inline: 10px;
-      background: #1454f7;
+      padding-inline: 12px;
+      background: #a52a2a;
       border: none;
       border-radius: 2px;
       font-size: 20px;
       font-weight: 500;
-      color: #cbf7e3;
+      color: white;
+      margin: 5px;
     }
 
+    .increase-quantity:hover{
+      background-color: white;
+      color:#a52a2a;
+    }
     #cart-total {
       background: #a52a2a;
       padding: 3px 5px;