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