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