Colours, fonts, and a logo
Forms 365 Web has a brand kit. You set your colours, fonts, and logo once, and forms pick them up so they carry your look rather than a generic one. For a public form that a customer sees, that consistency is the difference between something that feels official and something that feels bolted on.
Imagery and layout
A media library holds the images you reuse, so a header image or a logo is a pick rather than a re-upload each time. Layout blocks like panels and headings let you group fields the way a real document reads, which does as much for how branded a form feels as the colours do.
Custom CSS when you need pixel control
For an internal SharePoint list form, Forms365 Workspace includes a code editor where you can add your own HTML and CSS. Most teams never open it, but when a brand guideline is exact about a colour or a font weight, the code editor is there to match it precisely. The designer handles the layout, and the styling that makes a Workspace form match your brand is set in that code editor.
Keep it consistent across forms
Branding is most useful when it is not redone by hand on every form. Setting it once and reusing it, through the brand kit on the web side and reusable form templates on the internal side, keeps a set of forms looking like they came from the same place. That matters more as the number of forms grows.
Make your forms look like yours.
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