Element button pseudo-element :before generated with width 300px height auto position static overflow hidden font-size 16px cursor default transition margin 0px box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none border 0px rgba(0,0,0,1) solid background z-index auto line-height 1 font-weight normal display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px border-radius transform