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