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