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