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