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