magento2 – Magento 2.3 Help remove the white space lost in the mobile version

I'm sure it's easy to say. If you go to our website www.terabytecomponents.co.uk and open the Chrome development tools to switch to the mobile view, there are two divs that create a blank space between the logo and the search bar.

Would you be kind enough to guide me on how to remove this just for the mobile version?