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