@tuanphan not working also tried this (below) website is: https://amandabailly.com/home thanks!
/* Fullbleed video */
body#collection-6359a1c0f42bfd44d2def239 section.Main-content {
padding-left: 0px;
padding-right: 0px;
}
div#block-yui_3_17_2_1_1666874722234_1820 {
padding-left: 0px;
padding-right: 0px;
}