.box{clip-path:polygon(0 0px,80px 0,100% 0,100% calc(100% - 80px),calc(100% - 20px) 100%,0 100%)}.box{clip-path:polygon(0 0px,80px 0,100% 0,100% calc(100% - 80px),calc(100% - 20px) 100%,0 100%)}