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