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