title: Angular material: table inside mat-expansion not aligned to other table
body: <p>Im added to Angular website  for table ,that table col is not align ,any one know how to do that correctly ?
  Thanks</p>
  
  <pre><code>&lt;div class="table-responsive "&gt;
              &lt;table class="table" style="width: 100%"&gt;
                &lt;thead&gt;
                &lt;tr&gt;
                  &lt;th scope="col" width="50"&gt;ID&lt;/th&gt;
                  &lt;th scope="col" width="300"&gt;Book Name&lt;/th&gt;
                  &lt;th scope="col" width="250"&gt;Total Book&lt;/th&gt;
                  &lt;th scope="col" width="250"&gt;Date&lt;/th&gt;
                  &lt;th scope="col" width="250"&gt;Remarks&lt;/th&gt;
                  &lt;th scope="col" width="250"&gt;Booking Date&lt;/th&gt;
                  &lt;th scope="col" width="250"&gt;Booking Status&lt;/th&gt;
                &lt;/tr&gt;
                &lt;/thead&gt;
              &lt;/table&gt;
            &lt;/div&gt;
  
            &lt;mat-accordion&gt;
              &lt;mat-expansion-panel (opened)="panelOpenState = true; openContent(order)"
                                   (closed)="panelOpenState = false"&gt;
                &lt;mat-expansion-panel-header [collapsedHeight]="customCollapsedHeight"
                                            [expandedHeight]="customExpandedHeight"&gt;
                  &lt;table class="table "&gt;
                    &lt;tbody&gt;
                    &lt;tr&gt;
                      &lt;td class="tb-td-txt" width="50"&gt;12&lt;/td&gt;
                      &lt;td class="tb-td-txt" width="300"&gt;ABC&lt;/td&gt;
                      &lt;td class="tb-td-txt" width="250"&gt;100}&lt;/td&gt;
                      &lt;td class="tb-td-txt" width="250"&gt;10-11-2018&lt;/td&gt;
                      &lt;td class="tb-td-txt" width="250"&gt;Jhone Doe&lt;/td&gt;
                      &lt;td class="tb-td-txt" width="250"&gt;10-05-2019&lt;/td&gt;
                      &lt;td class="tb-td-txt" width="250"&gt;Completed&lt;/td&gt;
                           &lt;/tr&gt;
                    &lt;/tbody&gt;
                  &lt;/table&gt;
                &lt;/mat-expansion-panel-header&gt;
            &lt;/mat-accordion&gt;
  </code></pre>