Left/right transparent cut out arrow
问题 I am aware this has been answered previously however that was for the bottom of a div and I cannot work out how to do it for the left and right of a div. I am trying to acheive the same effect as this: BODY { background: url(http://farm6.staticflickr.com/5506/9699081016_ba090f1238_h.jpg) 0 -100px; } #wrapper { overflow: hidden; height: 116px; } #test { height: 100px; background-color: #ccc; position: relative; } #test:before { content: ""; position: absolute; left: -6px; width: 50%; height: