Element block pseudo-element :before generated with padding 20px transition overflow hidden border 0px rgba(0,0,0,1) solid z-index auto box-shadow 1px 1px 4px rgba(0,0,0,0.2) width 160px font-weight normal box-sizing content-box cursor default display block float none line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto position static border-radius transform font-size 16px margin 0px background