Remove indentation from main page

Hello!
I use a separate code, which I display using a widget on the main page. The problem is that the class cm-content padding-top:60px;

It turns out that this indentation creates an empty block between the menu and the block.
How to remove this indentation only for the main page?
If I simply set the indent: 0 in the styles, then on the category page it also becomes 0 and this is inconvenient. In general, how can I remove this indentation only for the main page?

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