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