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