   font-size: 24px;
        padding: 10px 15px;
        min-height: 50px;
        background-color: #888;
        color: #fff;
        border: 0;
        border-radius: 4px;
        margin-right: 4px;
      }
      .button-row button:last-child {
        margin-right: 0;
      }
      .button-row button:active {
        opacity: 0.8;
      }
    .popup button[disabled] {
      opacity: 0.3;
    }

    /* editor popup */
    #editor {
      z-index: 1000;
    }
      #editor-form {
        flex-grow: 1;
    