.single-video{--height-ratio:3;--width-ratio:4;position:relative;padding-bottom:calc(var(--height-ratio)/var(--width-ratio)*100%);height:0;overflow:hidden}.single-video__overlay,.single-video iframe{position:absolute;top:0;left:0;width:100%;height:100%}.single-video__overlay{z-index:5}.single-video__overlay img{width:100%;height:100%;object-fit:cover}.single-video__play-btn{position:absolute;z-index:9;top:50%;left:50%;transform:translate(-50%,-50%);width:35%;cursor:pointer}.single-video__play-btn img{width:100%;height:100%;object-fit:cover;transition:transform .5s linear}.single-video__play-btn img:focus,.single-video__play-btn img:hover{transform:scale(.9)}