.amp-phone{ position:relative } .amp-phone a:before { content: ""; display:inline-block; width: 4px; height: 8px; border-width: 6px 0 6px 3px; border-style: solid; border-color:; background: transparent; transform: rotate(-30deg); box-sizing: initial; border-top-left-radius: 3px 5px; border-bottom-left-radius: 3px 5px; }