Element button pseudo-element :after generated with box-sizing content-box border 0px rgba(0,0,0,1) solid font-size 24px padding 20px display block float none cursor default font-weight bold text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition position static overflow hidden background box-shadow 1px 1px 1px rgba(0,0,0,0.3) width 160px margin 0px z-index auto height auto line-height 1 border-radius transform