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