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