In search of element queries

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in search of element queries

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The media query

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We understood the web in pages

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http://bradfrost.com/blog/post/7-habits-of-highly-effective-media-queries/

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Let content determine the breakpoints

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Multiple breakpoints per piece of content

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Rising Complexity

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Average: 264 Media queries 50+ Websites

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Highest was 905 Media queries

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Ubiquitous frameworks start around 54

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Media queries are limited to screens

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We think in design systems and modularity

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Our components are built to exist in many contexts

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t good mate of modular systems The element query

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The circular dependency problem

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the successor Container queries

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http://alistapart.com/article/container-queries-once-more-unto-the-breach

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This still needs to be solved, and now we know how not to solve it: elements can’t be restyled based on their own properties. - Mat Marquis “

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min-width (30 em) default component

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Realising a world of container queries

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https://viljamis.com/2014/molten-leading/

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https://github.com/viljamis/Molten-Leading

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http://jxnblk.com/ﬁtter-happier-text/

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font-size: 100% is related to parent font size

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What could make all of this possible: If font size could be scaled on container

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Not real CSS, I totally made this up line-height: calc(1.5em + 0.1ctw)

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Choose how elements adapt in different spaces

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http://danielmall.com/articles/content-display-patterns/

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An article preview at different sizes http://lincolnloop.github.io/element-queries-example/

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A subscription form

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An author bio, or comment

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Element ﬂow Properties which automatically adapt to space

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Flex wrap: Two ﬁxed widths 20 rem 30 rem = 50 rem +

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Less than 50 rem space available

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Flex-grow: 1

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What if we wanted to go wider? 50 rem

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Columns: 20rem 70 rem

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Columns: 20rem 90 rem

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http://chriswrightdesign.github.io/element-ﬂow/ﬂex-wrap/

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The same technique: applied to forms http://codepen.io/chriswrightdesign/pen/EKwZMW/

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The same technique: applied to a short bio http://codepen.io/chriswrightdesign/pen/NNapBN

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http://chriswrightdesign.github.io/element-ﬂow/ﬂex-wrap/

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You can even use Flex-shrink to give up space inside a container

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9/13 bugs listed on Flexbugs are IE 10 & 11

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Flexbox has better support than @supports

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CSS Grid will have its own way of managing space

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What could make the technique work better? 1. Column breaks proper implementation 2. Column-ﬁll & column-span

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2 1 3 Container sized source ordering

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Display: contents Collapses the box of an element

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1 2 3 Problem: Flex is parent and child, not any deeper

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1 2 3

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1 2 3

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2 2 1 3 Collapse the parent

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Ordering can be problematic for keyboard access

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http://tink.uk/ﬂexbox-the-keyboard-navigation-disconnect/

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Authors must use order only for visual, not logical, reordering of content. - The spec “

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What could make container source ordering work better? 1. A context element 2. Flagging alternate source order in markup 3. If the spec/browsers matched how Firefox does it

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Picture element, but for containers

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SVG can have its own document context

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SVG can have its own document context

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lets you embed HTML inside SVG https://developer.mozilla.org/en/docs/Web/SVG/Element/foreignObject

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Picture, controlled by space not screen http://chriswrightdesign.github.io/demo-picturesvg/

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We could even put that SVG in a Picture element…

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Give a ﬂag to be read in different context like iFrame and SVG So how could we avoid having to do this hack?

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http://codepen.io/dudleystorey/pen/Geprd Container-based responsive tables

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Container-based responsive tables http://dbushell.com/2016/03/04/css-only-responsive-tables/

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We don’t have real container queries yet…

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We’re being encouraged to create libraries to experiment Think what picture ﬁll was to picture

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Write less code. Faster performance. We need this natively in browsers

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Container Queries prollyﬁll https://github.com/ausi/cq-prolyﬁll

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eq.js https://github.com/snugug/eq.js elementQuery https://github.com/tysonmatanich/elementQuery CSS Element queries http://marcj.github.io/css-element-queries/ Boomqueries http://boomtownroi.github.io/boomqueries/ Scoped Media queries https://github.com/ﬁlamentgroup/scoped-media-query Libraries based on the original element query