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