Not sure what the "this" refers to (and full width pages tend to work better for most people, but that's just an opinion).
But to change the overall layout of Confluence, you need to change the "theme" that it uses to render everything. See https://confluence.atlassian.com/confcloud/applying-a-theme-to-a-site-724765504.html and then dig through the marketplace. There's loads in there, ranging from simple "new theme" through theme managers (like Refined Wiki and Brikit) all the way up to "completely build your own theme from scratch with Themebuilder"
Hi my Community friends! For those who don't know me, I'm a product marketer on the Confluence Cloud team - nice to meet you! For those of you who do, you know that I've been all up in your Co...
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