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