Looking for general Help Center customization like colors or logos, see Customising your Help Center.If you need to make alterations to the header or footer of your Help Center, customize the overall CSS, or perhaps install something with JavaScript, you can do so from the Advanced tab when managing your Help Center.Open the Advanced tab when managing a Help Center (Help Centers is located under the Channels and flows heading in the main Settings menu) and you’ll be presented with code editor fields to manage the CSS, JavaScript, and Header & Footer HTML.Important: For each field, be sure to enable that particular setting for it to take hold. If a field has customisations, but that setting was not enabled, nothing will happen.Custom CSSEnter in any CSS that you would like to add to every page of your Help Center.There is no need to add the opening and closing