p3xr-main-key {
  .p3x-main-key-type-string-value {
    font-family: "Courier New", Courier, monospace;
    white-space: pre-wrap;       /* Since CSS 2.1 */
    word-wrap: break-word;       /* Internet Explorer 5.5+ */
    overflow: auto;
    max-height: 320px;
    max-width: 320px;
  }
}