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