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