.arrow_box { position: relative; background: #88b7d5; border: 4px solid #c2e1f5; } .arrow_box:after, .arrow_box:before { left: 100%; top: 50%; border: solid transparent; content: " "; height: 0; width: 0; position: absolute; pointer-events: none; } .arrow_box:after { border-color: rgba(136, 183, 213, 0); border-left-color: #88b7d5; border-width: 30px; margin-top: -30px; } .arrow_box:before { border-color: rgba(194, 225, 245, 0); border-left-color: #c2e1f5; border-width: 36px; margin-top: -36px; }