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