.course-intro-video{position:relative}.course-intro-video .course-intro-video__poster{-o-object-fit:cover;object-fit:cover;-o-object-position:center;object-position:center;width:100%;height:100%;margin:0;display:block;position:absolute;inset:0}.course-intro-video__frame{background:#000;border:0;width:100%;height:100%;display:block;position:absolute;inset:0}.course-intro-video__play{cursor:pointer;color:#235cd0;background:#ffffffeb;border:0;border-radius:9999px;justify-content:center;align-items:center;width:64px;height:64px;padding-left:4px;transition:transform .2s,background .2s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 12px #00000040}.course-intro-video__play:hover{background:#fff;transform:translate(-50%,-50%)scale(1.08)}.course-intro-video__sound{z-index:2;cursor:pointer;color:#fff;background:#0000008c;border:0;border-radius:9999px;justify-content:center;align-items:center;width:36px;height:36px;transition:background .2s;display:flex;position:absolute;top:12px;right:12px}.course-intro-video__sound:hover{background:#000000bf}@media (max-width:640px){.course-intro-video__play{width:52px;height:52px}}