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