.diagonal-corner-container{clip-path:polygon(40px 0,100% 0,100% calc(100% - 40px),calc(100% - 40px) 100%,0 100%,0 40px)}.diagonal-corner-button{clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px)}