Using Generated Content As A Styling HookĬSS Generated Content uses the ::before and ::after CSS pseudo-classes along with the content property to insert some kind of content into the document. It is for this reason, I tend to look to generated content, something I’m very familiar with from the work I’ve done formatting books with CSS, where you spend most of your time working with this feature. If nothing else, it makes it easier to reuse styles, not needing to worry about the additional required markup. I do prefer however to keep my styling in one place if possible, safely in the stylesheet. Web development very often involves picking the least suboptimal approach to getting the job done until a better solution is devised. Inserting an additional few div or b elements is unlikely to be the greatest crime against good markup you have ever committed, so I wouldn’t lose any sleep over choosing that approach if needed. See the Pen Empty elements become Grid Items by Rachel Andrew ( on CodePen.Įric Meyer, in his A List Apart article Faux Grid Tracks, advocates for using the b element as your redundant element of choice, as it confers no semantic meaning, is short and also fairly obvious in the markup as a hook. See the Pen Empty elements become Grid Items by Rachel Andrew ( on CodePen. Perhaps that obviously empty element is more distasteful than the somewhat hidden redundancy of the wrapper element!Ĭompletely empty elements become grid items and can have backgrounds and borders added just like an element that contains content, as this example demonstrates. Developers tend to dislike this idea, despite the fact that they have been adding additional redundant “row wrappers” for years in order to achieve grid layouts using floats. One way to insert something to style is to insert a redundant element into the document, for example, a span or a div. Using Redundant Elements As A Styling Hook We style the child items, and not the grid itself, which leaves us needing to have an element of some sort to apply that style to. It doesn’t define any styling of that grid, not even going as far as to implement something like the column-rule property we have in Multi-column Layout. The key phrase here is “children of a grid container.” The specification defines the creation of a grid on the parent element, which child items can be positioned into. In the grid layout model, the children of a grid container can be positioned into arbitrary slots in a predefined flexible or fixed-size layout grid.” The opening paragraph of the Grid Specification says, “This CSS module defines a two-dimensional grid-based layout system, optimized for user interface design. Read a related article → Why Can’t We Style Empty Areas Already? Understanding why it works and how to create one is useful and can help you to understand how layout works in CSS. If you’ve ever made a layout with CSS, you probably know what BFC is.
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