2/2/2024 0 Comments Different grid types![]() ![]() We can even control the alignment of a specific grid child using the justify-self property: As a result, items in the same column can be different widths. When we set justify-items to something other than stretch, the children will shrink down to their default width, as determined by their contents. This is useful because it allows us to break free from the rigid symmetry of columns. With justify-items, however, we can tweak that behaviour. When we plop a DOM node into a grid parent, the default behaviour is for it to stretch across that entire column, just like how a in Flow layout will stretch horizontally to fill its container. If we want to align the items themselves within their columns, we can use the justify-items property: Essentially, justify-content lets us arrange the compartments of our grid, distributing them across the grid however we wish. The big difference is that we're aligning the columns, not the items themselves. CSS Grid builds on the alignment properties first introduced with Flexbox, taking them even further. If you're familiar with the Flexbox layout algorithm, this probably feels pretty familiar. We can control the distribution of the columns using the justify-content property: As long as the grid parent is larger than 180px, there will be some dead space at the end: This doesn't need to be the case, however!įor example, let's suppose we define two columns that are each 90px wide. In all the examples we've seen so far, our columns and rows stretch to fill the entire grid container. The CSS Grid algorithm distributes the remaining space between the two grid columns. In this case, the extra space has been reduced by 16px, for the gap. The fr unit, by contrast, is calculated based on the extra space. ![]() When we add 16px of gap, the columns have no choice but to spill beyond the container. The two columns consume 100% of the parent's content area, and they aren't allowed to shrink. Notice how the contents spill outside the grid parent when using percentage-based columns? This happens because percentages are calculated using the total grid area. gap is a magical CSS property that adds a fixed amount of space between all of the columns and rows within our grid.Ĭheck out what happens when we toggle between percentages and fractions: We can see a perfect example of this with gap. In general, this flexibility is a good thing. This is very similar to flex-grow, as discussed in my Interactive Guide to Flexbox. If there's any leftover space, it'll be distributed based on the fr values. First, column widths will be calculated based on their contents. To be more precise: the fr unit distributes extra space. In Table layout, for example, each row is created with a, and each cell within that row using or :įr-based columns are flexible, and so the column won't shrink below its minimum content size, even if that means breaking the proportions. This is super weird! In every other layout mode, the only way to create compartments like this is by adding more DOM nodes. In this tutorial, we're highlighting the rows/columns with dashed lines, but in reality, they're invisible. With CSS Grid, a single DOM node is sub-divided into rows and columns. The most unusual part of CSS Grid, in my opinion, is that the grid structure, the rows and columns, are defined purely in CSS: It's incredibly powerful: we can use it to build complex layouts that fluidly adapt based on a number of constraints. Flexbox is designed for distributing items along a single axis.ĬSS Grid is the latest and greatest layout algorithm. Table layout is designed for tabular data. ![]() The default layout algorithm, Flow layout, is designed for digital documents. CSS is comprised of several different layout algorithms, each designed for different types of user interfaces. ![]()
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