DIV上下两边虚化css

  .notice_rig:after {

      content: "";

      position: absolute;

      z-index: 1;

      top: 30px;

      right: 0;

      pointer-events: none;

      background-image: linear-gradient(to bottom, rgba(244,246,248,1),rgba(244,246,248, 0) 15%, rgba(244,246,248, 0) 85%,rgba(244,246,248, 1) 100%);

      width: 330px;

      height: 64px;

    }