Element button pseudo-element :after generated with border-radius box-sizing content-box height auto border 0px rgba(0,0,0,1) solid position static display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden margin 0px z-index auto background padding 20px transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 transition width 160px cursor default font-weight normal float none font-size 16px