body{min-height:100vh;margin:0;overflow:hidden}main{flex-direction:column;height:100vh;display:flex}#poster{object-fit:cover;background-color:#000;width:100%;height:100%;transition-property:opacity;transition-duration:.5s;transition-timing-function:ease-in;position:absolute}.hidden{opacity:0}#whamageddon{pointer-events:none;border:none;width:100%;height:100%}