Small Fixes & Staging Site Set Up Magento 2

We need a few small fixes done, such as a few preloading, css issues and need category sorting fixed, please check tasks here:

Please watch:
https://drive.google.com/file/d/1aPLMcLMuxtFro4iaUC8_f2eNUVdfakId/view
https://drive.google.com/file/d/1rxL4HoTJCMh0NJArniatgZ3ALVj_ADN4/view

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