capstone2 Hi
By default, the offcanvas block is included inside the 'horizontal-nav' element:
<jdoc:include type="element" name="offcanvas-toggle" />
![](https://www.joomlart.com/forums/assets/files/2024-05-17/1715911874-241620-screenshot-2024-05-17-at-91019-am.png)
However, it looks like you have custom css to hide this horizontal-nav so it also hide the off-canvas on mobile.
Kindly check again.