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