Element block pseudo-element :after generated with display block opacity 1 line-height 1 transition border 0px rgba(0,0,0,1) solid position static box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 4px outline none cursor default float none width 500px padding 20px background z-index auto height auto font-weight normal border-radius font-size 16px overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform