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