Element button pseudo-element :after generated with border 3px #ffffff solid float none box-sizing content-box height auto display inline-block opacity 1 border-radius line-height 15px z-index auto text-shadow -1px -1px 0px rgba(15,73,168,0) font-weight normal position static padding 10px background cursor pointer box-shadow 2px 2px 2px rgba(0,0,0,0.2) transition overflow visible transform width auto outline none margin 15px font-size 20px