If necessary, the object will be stretched or squished to fit I have clients that will set the width of a thumbnail in a gallery to a particular size. 0 0. Read more. The browser will place and size the columns in the first example using the auto-fill keyword, and it will use auto-fit for the second. By using percentage, it will calculate the padding to use based on the width of the element. P.S. Twitter Tweet. What is the difference between CSS and SCSS ? So that if I widen my browser the buttons keep being on top of each other. Using max-width instead, in this situation, will improve the browser's handling of small windows. Enjoy! CSS grid and flexbox are incredibly powerful tools for that, and Frontend Masters has a complete learning course on them from Jen Kramer. And the grid will, in this example, always have 12 columns regardless of how wide it is. Editor's Draft: Defines the value as laid out box size for width, height, min-width, min-height, max-width and max-height. auto-fit does, too, fill the row with more columns are the viewport width increases, but the only difference is that the newly added columns (and any column gaps associated with them) are collapsed. How to open a hyperlink in another window or tab in HTML ? At first glace of the names, it might seem like auto-fill and auto-fit are opposites. By default, and