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