.angle:after{background:#fff;content:"";height:224px;left:0;position:absolute;width:100%;z-index:1}.angle.top-left:after{clip-path:polygon(0 0,0 100%,100% 100%);top:-223px}.angle.bottom-left:after{bottom:-224px;clip-path:polygon(0 0,0 225px,100% 0)}.angle.top-right:after{clip-path:polygon(100% 225px,0 100%,100% 100%);top:-224px}.angle.bottom-right:after{bottom:-223px;clip-path:polygon(100% 225px,0 0,100% 0)}