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