Why I cannot make this part of my website sticky?

Site URL: https://www.chenluwang.me/dreaming-elf

Hi I would like to keep this part sticky when I scroll the screen, I used this code but it could not work at all. Thanks a lot!

@media screen {
#block-yui_3_17_2_1_1638743045081_250450 .sqs-block-content{
    position: sticky;
	position: -webkit-sticky;
    top: 100px;
}
}

1 hour ago, llllllcw_Chelsea said:

Site URL: https://www.chenluwang.me/dreaming-elf

Hi I would like to keep this part sticky when I scroll the screen, I used this code but it could not work at all. Thanks a lot!

@media screen {
#block-yui_3_17_2_1_1638743045081_250450 .sqs-block-content{
    position: sticky;
	position: -webkit-sticky;
    top: 100px;
}
}

Try adding to Home > Design > Custom Css

#collection-footer-608775107959d12c3041031f > .row  > .col > .row > .span-2 {
  position: sticky;
  position: -webkit-sticky;
  top:0;
}

Let me know how it works on your site

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