How to remove space between the header and the content only on mobile

Site URL: https://www.illmatic-store.com/

Hello I have a problem! It is only visible on mobile you can clearly see a little space between the header and the first content and I don't know how to remove it! Can you help me please ! I show you the gap that I want to remove on the following picture !

I apologize for my English !

2 hours ago, imazele said:

Site URL: https://www.illmatic-store.com/

Hello I have a problem! It is only visible on mobile you can clearly see a little space between the header and the first content and I don't know how to remove it! Can you help me please ! I show you the gap that I want to remove on the following picture !

I apologize for my English !

 

 

Is it the result you want to achieve on mobile?

Try adding to Home > Design > Custom Css

@media only screen and (max-width: 767px) {
  #block-yui_3_17_2_1_1639997603186_21137 {
    padding-top: 0 !important;
  }
}

Let me know how it works on your site