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