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