A few fun nesting tips & tricks
There are some handy things that you can do with nesting, espcially when you start moving the & placeholder around!
HTML & CSS Tip of the Week
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One corner, two border radii
Did you know you can control the border radius of both sides of a corner indepenently of one another? It might seem a little strange to do, but you can do some intersting things with it!
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The picture element
Sometimes, designs have different images for large and small screen layouts. In those situations, it can be tempting to simply bring in multiple images and use a media query in your CSS to control when we see each one, but the <picture> element is purpose-built for these situations.
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Single-colour gradients
It might seem strange, but single-colour gradients can come in handy in a few different ways!
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@property
Register custom CSS properties with specific syntax to enable smooth animations and transitions.
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:nth-last-child
Select elements by counting backwards from the end using the :nth-last-child pseudo-class selector.
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object-fit and object-position
Crop images in a similar to way background images by using object-fit and object-position
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calc-size()
We can now do calculations based on the intrinsic size of an element
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The ::selection-pseudo-element
Add a little personality to your site by changing the selection styles
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The <output> element
Display calculation results and user interaction outcomes with semantic HTML using the output element.
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:first-child and :last-child
Style the first and last elements in a group without needing extra classes or JavaScript.
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The datalist element
Create autocomplete dropdowns with suggestions using the datalist element without JavaScript.
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:out-of-range
A quick look at the :not-in-range psuedo-class.
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:placeholder-shown
A quick look at the :placeholder-shown pseudo-class for styling form elements that are displaying placeholder text.
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interpolate-size: allow-keywords
Animate and transition to auto, and other intrinsic keyword values.
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input type='color'
Easily add a color picker to your page using an input with a type of color.
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:only-child
Learn how to use the :only-child selector to style elements differently when they have no siblings. Perfect for adaptive designs with optional elements like figure captions. Plus, see how combining it with :has() creates powerful parent styling possibilities.
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The min() and max() functions
The CSS min() and max() functions can be powerful alternatives to clamp() for responsive layouts.
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The <q> element
When creating quotes in HTML, most people are aware of the <blockquote> element, but for shorter quotes you might want an inline element, and that is where the <q> element comes in
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input type="number"
Number inputs can be useful, but they aren't as straight forward as they might seem at first.
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The fieldset and legend elements
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:in-range pseudo-class
Style inputs based on if the value is within specific range limits
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The search element
A quick look at the search element, a semantic element for search and filtering
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The :has() pseudo-selector
The :has() relational selector allows you to select parents of elements, but also preceding elements, siblings, and much more!
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Transitioning to and from display: none
Two new CSS features, @starting-style and allow-discrete, making it quite easy to transition to and from display: none!
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The :focus-visible pseudo-class
:focus-visible is an improved version of :focus, meaning we don't have to fight those focus rings
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Container query units: cqi and cqb
Responsive units that respond to local sizes, rather than the entire viewport
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min-width: fit-content
Text wraps, but only as a last resort!
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The :user-valid pseudo-class
A new and improved version of :valid that only kicks in once the user has interacted with the field
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The <kbd> element
An underused HTML element for when we want to show keyboard commands and user inputs.
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The :empty pseudo-class
We can use CSS to find elements that don't have any content in them.
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