title: Can't bind to 'matTooltipPosition' since it isn't a known property of 'button'
body: <p>i'm trying to integrate a new Angular theme, so after finishing the install of dependencies</p>
  <ul>
  <li>i got this problem</li>
  </ul>
  <blockquote>
  <p>ERROR in src/app/dashboard/dashboard.component.html:171:110 - error
  NG8002: Can't bind to 'matTooltipPosition' since it isn't a known
  property of 'button'. 171<br />
  &lt;button mat-raised-button type=&quot;button&quot; matTooltip=&quot;Edit Task&quot;
  [matTooltipPosition]=&quot;'above'&quot; class=&quot;btn btn-primary btn-link btn-sm
  btn-just-icon&quot;&gt;</p>
  </blockquote>
  <pre><code>                                     &lt;td class=&quot;td-actions text-right&quot;&gt;
                                            &lt;button mat-raised-button type=&quot;button&quot; matTooltip=&quot;Edit Task&quot; [matTooltipPosition]=&quot;'above'&quot; class=&quot;btn btn-primary btn-link btn-sm btn-just-icon&quot;&gt;
                                                &lt;i class=&quot;material-icons&quot;&gt;edit&lt;/i&gt;
                                            &lt;/button&gt;
                                            &lt;button mat-raised-button type=&quot;button&quot; matTooltip=&quot;Remove&quot; [matTooltipPosition]=&quot;'above'&quot; class=&quot;btn btn-danger btn-link btn-sm btn-just-icon&quot;&gt;
                                                &lt;i class=&quot;material-icons&quot;&gt;close&lt;/i&gt;
                                            &lt;/button&gt;
                                        &lt;/td&gt;
  </code></pre>
  <p>you can find the deps in this <a href="https://ghostbin.co/paste/8ew9x" rel="nofollow noreferrer">link</a></p>