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