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