JSFiddle - React, Tailwind, and code Playground by Daniel Pietrasik November 16, 2014 HTML <!-- CSS3 Shapes – kształty za pomocą CSS3 – część 1 - przykład 27 --> <!-- http://danielpietrasik.pl/css3-shapes-ksztalty-za-pomoca-css3/ --> <div id="example27"></div> CSS #example27 { width: 0; border: 12px solid transparent; border-bottom: 10px solid #F34A53; position: relative; top: -10px; transform: rotate(135deg); margin-top: 20px } #example27:after { content: ''; position: absolute; left: -5px; top: 8px; width: 0; border: 5px solid transparent; border-top: 20px solid #F34A53; border-bottom: 0px; }