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