Main menu dropdown hiding behind site origin hero widget

Hi,

Currently I’m using WordPress 6.0.1 with twenty seventeen theme. Now I have a problem where main menu dropdown hiding behind the site origin hero. Here is the link : https://www.ukm.my/inbiosis/en/inbiosis-workshop-series-2022-lc-ms-metabolomics/

I had the same problem before changing to a new theme. I’ve tried this solution (https://wordpress.org/support/topic/dropdown-menu-hiding-behind-site-origin-hero-image/) but it is not working. I really appreciate any help. Thanks in advance.

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