chromium/chrome/browser/resources/chromeos/multidevice_internals/notification_form.html

<style include="cr-shared-style shared-style">
  :host {
    display: flex;
    flex: 1 0 100%;
    padding: 10px;
    width: 100%;
  }

  :host([is-sent_]:not([user-dismissed_])) #notificationContainer {
    background-color: LightGreen;
  }

  :host(:not([is-sent_])) #notificationContainer {
    box-shadow: var(--cr-elevation-3);
  }

  :host([user-dismissed_]) #notificationContainer {
    background-color: red;
  }

  #notificationContainer {
    display: flex;
    flex: 1 0 100%;
  }

  #fields {
    flex: 4;
  }

  cr-input {
    padding: 5px;
  }

  .status-string {
    font-size: 15px
  }
</style>
<div id="notificationContainer">
  <div class="column">
    <span hidden="[[!userDismissed_]]" class="emphasize status-string">
      This notification was dismissed.
    </span>
    <cr-button hidden="[[notification.sent]]" id="sendBtn"
        disabled="[[!isNotificationDataValid_]]"
        on-click="onSetNotification_" class="internals-button">
      <span class="emphasize">Send this notification</span>
    </cr-button>
    <cr-button hidden="[[!notification.sent]]" id="editBtn"
        disabled="[[!isNotificationDataValid_]]"
        on-click="onUpdateNotification_" class="internals-button">
      <span class="emphasize">[[updateNotificationText_]]</span>
    </cr-button>
    <cr-button hidden="[[!notification.sent]]" id="removeBtn"
        on-click="onRemoveButtonClick_" class="internals-button">
      <span class="emphasize">Remove this notification</span>
    </cr-button>
  </div>
  <div class="column" id="fields">
    <cr-input value="{{notification.id}}" label="notification ID"
        type="number" invalid="[[!isValidId_]]"
        on-change="onNotificationIdChanged_"
        auto-validate error-message="Required and must be unique" required
        disabled="[[notification.sent]]">
    </cr-input>
    <cr-input label="Visible App Name"
        value="{{notification.appMetadata.visibleAppName}}" id="urlInput">
    </cr-input>
    <cr-input label="Package Name"
        value="{{notification.appMetadata.packageName}}" id="packageName">
    </cr-input>
    <div class="label-top">
      <label>Icon Image Type</label>
      <select id="iconImageTypeSelector" class="md-select"
          on-change="onIconImageTypeSelected_">
        <template is="dom-repeat" items="[[imageList_]]">
          <option selected="[[isEqual_(item, notification.appMetadata.icon)]]">
            [[getImageTypeName_(item)]]
          </option>
        </template>
      </select>
    </div>
    <div class="label-top">
      <label>Importance</label>
      <select id="importanceSelector" class="md-select"
          on-change="onImportanceSelected_">
        <template is="dom-repeat" items="[[importanceList_]]">
          <option selected="[[isEqual_(item, notification.importance)]]">
            [[getImportanceName_(item)]]
          </option>
        </template>
      </select>
    </div>
    <cr-input value="{{notification.inlineReplyId}}" label="Inline reply ID"
        type="number" error-message="Required and must be unique"
        on-change="onInlineReplyIdChanged_" auto-validate required
        disabled="[[notification.sent]]" invalid="[[!isValidInlineReplyId_]]">
    </cr-input>
    <cr-input value="{{notification.timestamp}}" label="Timestamp (ms)" min="0"
        id="timestampInput" type="number" on-change="onTimeStampChanged_"
        auto-validate error-message="Must be greater than 0" required>
    </cr-input>
    <cr-input label="Title (Optional)" value="{{notification.title}}">
    </cr-input>
    <cr-input label="Text Content (Optional)"
        value="{{notification.textContent}}" id="textContent">
    </cr-input>
    <div class="label-top">
      <label>
        Shared Image Type (Optional)
      </label>
      <select id="sharedImageTypeSelector" class="md-select"
        on-change="onSharedImageTypeSelected_">
        <template is="dom-repeat" items="[[imageList_]]">
          <option selected="[[isEqual_(item, notification.sharedImage)]]">
            [[getImageTypeName_(item)]]
          </option>
        </template>
      </select>
    </div>
    <div class="label-top">
      <label>Contact Image Type (Optional)</label>
      <select id="contactImageSelector" class="md-select"
        on-change="onContactImageTypeSelected_">
        <template is="dom-repeat" items="[[imageList_]]">
          <option  selected="[[isEqual_(item, notification.contactImage)]]">
            [[getImageTypeName_(item)]]
          </option>
        </template>
      </select>
    </div>
  </div>
</div>