fix: Made the color palette go below the product image

[Doraemon012]

Overview

1. This PR fixes or fixes part of #25
2. This PR does the following:
   • The color palette goes below the main product image in mobile view.
   • Committed the requested changes and resolved conflicts.

Essential Checklist

• [ ] The PR title starts with "Fix #bugnum: ", followed by a short, clear summary of the changes. (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
• [ ] "Allow edits from maintainers" is checked. (See here for instructions on how to enable it.)
• [ ] The PR is made from a branch that's not called "main/master".

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