/* Target the icon “before” element in the panel’s label */
.divcom-favicon:before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url("../images/diversified-favicon-white.png") no-repeat center center;
    background-size: contain;
    margin-right: 5px; /* space before label text */
    vertical-align: middle;
  }