.ribbon{margin:0;width:auto;background:#EF4136;color:white;padding:1em 0;position:absolute;top:0;left:0;transform:translateX(-30%) translateY(60%) rotate(-45deg);transform-origin:top left}.ribbon:before,.ribbon:after{content:'';position:absolute;top:0;margin:0 -1px;width:100%;height:100%;background:#EF4136}.ribbon:before{right:100%}.ribbon:after{left:100%}