Div displaying two times in browser

I added below div only one time in html code.... but in browser, is displaying two times....

Here is link

<div class="card_decor slot slot_photo overlay_design" entity_id="3235" style="left: 0%; top: 20%; width: 51.8444%; height: 50%;">

When i upload image in that link , than only 2nd div will change its class to card_decor slot slot_photo overlay_design now_in_focus has_photo but there is no change in first div....

But in another site , div is displaying only one time....

I Tried to add code snippet, but as i need to add images , json & other multiple html files it did't worked, so i posted link....

Edit

once we click on text edit area in link1 - if there is no pop up displayed, than div will display only one time, but if pop up display as in link2 = > https://prnt.sc/m9whqs , than div will display two times.....

Also in inspect element it will show div 2 times, but in view page source it show only one time....

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