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