Fittocontent

Fittocontent, more commonly written as fit-content, is a CSS sizing concept that makes an element size itself to fit its content, optionally within a defined maximum. It can be used as a value for sizing properties such as width and height, and there is also a function form fit-content(max) that restricts the size to a given upper bound. In practice, fit-content is used to create shrink-wrapped elements that grow with their content but do not exceed a specified limit.

In terms of syntax, you can specify a plain keyword value like width: fit-content; or height: fit-content;. Some browsers also support a functional form such as width: fit-content(300px);, which limits the width to 300px at most. If no maximum is provided, the element still sizes to the content but remains subject to the constraints of the containing block, effectively behaving like a shrink-to-fit size in many layouts. This makes fit-content useful for inline blocks, chips, badges, and other UI elements that should expand to accommodate their content without becoming overly large.

Behavior and implications vary with layout context. In flex and grid layouts, fit-content can influence how space is distributed and how wrapping occurs. Long content may wrap or cause overflow depending on white-space and overflow settings. It is a tool for creating flexible, content-driven sizing while preserving a predictable upper bound.

Browser support is broad for modern browsers. As with many intrinsic sizing features, developers should test in the target environments, especially when combining fit-content with other sizing keywords or complex layout rules. See also intrinsic sizing concepts such as min-content and max-content, and related functions like minmax in grid layouts.