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Transport Resilient CSS Elements — SitePoint


On this fast tip excerpted from Unleashing the Energy of CSS, Stephanie reveals how container queries allow us to ship resilient elements containing built-in structure and magnificence variants.

It might sound fairly daring to say, however container queries permit us to use the “construct as soon as, deploy in all places” methodology. As a design methods engineer, it actually appeals to me to have the ability to ship design system elements with built-in structure and magnificence variants.

To exhibit this concept, the picture beneath reveals a subscription kind. Container queries have been utilized, and the part is proven in a full-width space inside the narrower house of the sidebar and on the medium width inside the content material space.

The layout of our subscription form in two different environments

Grid is a wonderful companion for composing these variants. Utilizing grid template areas, we’re in a position to rearrange the shape sections with out the necessity for further markup. On this subscription kind part, I’ve recognized three grid areas: legend, subject, and submit. The overlays added within the following video present how the structure modifications throughout the variants.

Within the code for the subscription kind, the <kind> aspect has a category subscription-form and is about because the container. A nested <div> with a category of form-content is what our container queries will then modify:

.subscription-form {
  container-type: inline-size;
}

On the narrowest default width, the shape is an easy grid stack with a spot utilized:

.form__content {
  show: grid;
  hole: 1rem;
}

The primary container question for the mid-sized structure is doing the heavy lifting of making the grid template and assigning all the components to the grid areas:

@container (min-width: 375px) {
  .form__content {
    grid-template-areas: 
            "legend subject" 
            "legend submit";
    align-items: heart;
    column-gap: 2rem;
  }

  legend {
    grid-area: legend;
  }

  .form-group {
    grid-area: subject;
  }

  button {
    grid-area: submit;
  }
}

The second, ultimate container question then solely has to regulate the grid-template-areas definition to horizontally line up the areas. Just one further tweak is required, which is to realign the Subscribe button to the tip place, which visually aligns it to the e-mail enter:

@container (min-width: 700px) {
  .form__content {
    grid-template-areas: 
            "legend subject submit";
  }

  button {
    align-self: finish;
  }
}

The next video clip reveals the subscription kind structure adjusting because the width is diminished.

The next CodePen demo supplies a dwell instance of this type kind structure (with “Resize me!” handles).

See the Pen
Container Queries for Subscription Kind
by SitePoint (@SitePoint)
on CodePen.

As you may see, container queries supply us the potential to construct elements that may be reused anyplace.

This text is excerpted from Unleashing the Energy of CSS: Superior Methods for Responsive Person Interfaces, accessible on SitePoint Premium.



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