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