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