.customize-control-ast-divider {
  hr {
    margin-top: 12px;
  }
  .customize-control-title {
    font-size: 15px;
    margin: 1em 0 0.2em;
  }
}

.ast-field-settings-modal .customize-control-ast-divider {
  background-color: #f5f5f5;
  display: block;
  padding: 6px 14px;
  margin: 0;
  border-width: 1px 0;
  border-style: solid;
  border-color: #dddddd;
  line-height: 1;
  margin-top: 15px;
}

.customize-control-ast-settings-group {
  .ast-field-settings-modal .customize-control-ast-divider {
    .customize-control-title {
      font-weight: 500;
      letter-spacing: 1px;
      font-size: 11px;
      margin: 0;
      text-transform: uppercase;
    }
  }
}