section.hero{height:calc(var(--vh, 1vh) * 100 - 0px);height:100svh;position:relative}section.hero .bg{position:absolute;overflow:hidden;top:0;left:0;width:100%;height:100%}section.hero .bg .parallax,section.hero .bg img,section.hero .bg video{position:absolute;top:0;left:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover}section.hero .button{position:absolute;bottom:0;left:0;width:100%}