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