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