Element button pseudo-element :after generated with padding 20px font-size 16px line-height 1 box-shadow 2px 2px 5px rgba(0,0,0,0.2) z-index auto margin 0px background overflow hidden float none text-shadow 0px 0px 9px rgba(20,255,20,0.7) height auto border-radius box-sizing content-box position static border 0px rgba(0,0,0,1) solid cursor default transform transition font-weight normal display block width 160px