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