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