.wheel-container:after{content:"";z-index:2;border-bottom:20px solid #000;border-left:10px solid #0000;border-right:10px solid #0000;width:0;height:0;position:absolute;top:100px;left:calc(50% - 10px)}.wheel:not(.wheel-container):after{z-index:5;background-size:contain;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}