="qm-code-highlight-code qm-code-font">th</code>  node of the top left cell. Values entered in this cell will affect the sizes of the left&#x2F;top headings. </div></div></div></div></div></div></div></div></div><div class="qm-api-item qm-api-javascript-property qm-api-collapsible"><div class="qm-api-collapsible-heading"><div class="qm-api-collapsible-toggle"><i class="qm-api-chevron-icon"></i></div><div class="qm-api-collapsible-head"><div class="qm-api-item-head"><div class="qm-api-item-header qm-api-item