remove search bar from single page

Hello, I cannot remove the search bar from one page. I've tried taking the advice of other posts here in the forum.  I put (see below) in Custom CSS, but it doesn't change the search bar on one page.  https://www.joylab.biz/tonyatalks 

Thank you for your help!

#collection-644301d8c1802312c3c96f97 .Header-search {
display: none!important;
}

@tonyalehman Hi! You can add this code:

#collection-644301d8c1802312c3c96f97 .search-block {
    display: none !important;
}