1/ The problem is caused by your custom CSS code – https://prnt.sc/zzhdFzNEoQnr https://prnt.sc/9F0Sp31AzK_r , delete or change that code in Additional custom CSS area
2/ You need to enable a separate cache for the mobile devices in the cache plugin setting. Or if you don’t want to enable that then disable the Mobile header optimization option in Theme Options > General.
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