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