Since I can’t post in Blender Artists Updates subcategory, I decided to put it in Off-topic Chat instead.
I think everyone (or almost everyone) knows that you can click the hamburger icon in the header to hide the left sidebar. The only thing is: it will show up once you logged out and logged back in again. I have no clue why this happens, so I made a little tweak to fix it.
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First, you’ll need to install a CSS extension for your browser that lets you add custom CSS code to individual websites. Everyone has their own favorite browser, so I won’t recommend a specific extension — there are many of them. Just Google it;
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Once you installed the extension, open the code editor (or whatever it’s called in your own case) and, while in there, add these next lines:
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body.has-sidebar-page #main-outlet-wrapper {gap: 0 !important; padding: 0 var(--d-wrap-padding-h) !important}
.sidebar-container {display: none !important}
.wrap {max-width: var(--d-max-width) !important}
#main-outlet-wrapper {grid-template-columns: 0 minmax(0, 1fr) !important}
.header-sidebar-toggle {display: none}
.extra-info-wrapper .topic-header-extra .discourse-tags {display: inline-flex !important; overflow: visible !important; align-items: center}; -
It should now appear like this:
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If you got the same result as shown above, great — chances are you did everything right. Now the sidebar should stay closed even after you log out of and back in to the website, which is great, isn’t it?

Thanks for reading. I’ll be glad if I helped someone.
Cheers
