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