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