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