body.ccm-dashboard-desktop {

  div.concrete5-org-stories {
    div.ccm-block-rss-displayer-wrapper {
      background-color: #fffdf2;
    }
  }

  div.ccm-block-rss-displayer-wrapper {

    position: relative;

    div.ccm-block-rss-displayer {

      padding: 40px;

      h5 {
        color: #999;
        text-transform: uppercase;
        position: absolute;
        top: 0px;
        left: 10px;
      }

      div.ccm-block-rss-displayer-item-title {
        color: #189df6;
        font-weight: normal;
      }

    }

    border: 1px solid #dddfdf;
    background-color: #fff;
    display: flex;
    align-items: center;

  }

}

body.ccm-dashboard-desktop {
  div.ccm-block-rss-displayer-wrapper {
    position: relative;
    background: $gray-100;
    border-radius: .25rem;
    box-shadow: 0 .125rem .5rem rgba(0,0,0,.15);
    display: flex;
    align-items: flex-start;

    div.ccm-block-rss-displayer {
      padding: 40px 20px 10px 20px;

      h5 {
        text-transform: none;
        font-size: .9rem;
        font-weight: 700;
        position: absolute;
        top: 20px;
        left: 20px;
      }

      div.ccm-block-rss-displayer-item {
        margin-top: 10px;
        margin-bottom: 10px;
      }

      div.ccm-block-rss-displayer-item-title {
        font-weight: 700;
        font-size: 1.15rem;
        margin-bottom: .15rem;
      }

      div.ccm-block-rss-displayer-item-date {
        margin-bottom: .15rem;
      }
    }
  }
}

Update RSS Displayer block styles
Update RSS Displayer block styles
