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