message: layout fix
diff: -<div style="overflow: auto;">
  <h3 class="mdl-dialog__title">Edit rules</h3>
  <div class="mdl-dialog__content">
  - <table class="mdl-data-table" style="width: 100%;">
  + <table class="mdl-data-table">
  <thead>
  <tr>
  <th>Type</th>
  <div class="mdl-dialog__actions">
  <button mdl-button mdl-ripple (click)="onHide()">Hide</button>
  </div>
  -</div>
  