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Responsive Web Applications with Container Queries

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#RWDQueries (504) 229-6828

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A talk more about process than code

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Beautiful Accounting Software

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Goal #1 Evolve the design

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Goal #2 Support Multiple Devices

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let us take 
 a step back…

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Goal #1 Evolve the design

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Goal #2 Support Multiple Devices

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Responsive

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Responsive

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Birth of SMACSS

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Device-specific 
 design and development

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Designers see a feature through all platforms

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Goal #1 Evolve the design

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Goal #2 Support Multiple Devices

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Monolithic app with accessible templates

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Ignored Mobile Web

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Limited Mobile App

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Each horizontal block is considered in the context of the viewport

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Each page can be art directed individually

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Web applications 
 have components in multiple contexts needing to respond differently

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A single page in a web application can have dozens of variations

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With media queries, you have to know the possible interplay of all objects

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With container queries, you only have to know the interplay within a single object

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No spec for container queries

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Declare in: CSS, HTML, or 
 JavaScript

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https://github.com/ResponsiveImagesCG/cq-demos .element:media( min-width:500px ) {} https://github.com/tysonmatanich/elementQuery .element[min-width~="500px"] { background-color: #eee; }

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http://eqcss.github.io/eqcss/ @element ".element" and 
 (min-width: 500px) { .element { background: gold; } }

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https://github.com/tysonmatanich/elementQuery .element[min-width~="400px"] { }

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To parse CSS, either need to be on same domain or set up CORS

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https://github.com/Snugug/eq.js data-eq-pts="small: 400, medium: 600, large: 900"

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At HTML level, requires consistency of implementation 
 across app

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We chose JavaScript

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elements = [ { "module": ".flex--2x1", "className":"responsiveClass", "minWidth": 768, "maxWidth": 1024 } ]

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Going Responsive meant a consistent feature set across all devices

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New features automatically have cross-device support

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Went responsive in under a month†

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How? How?! How?!?!

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There’s a discernible delay in execution

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It’s not about the properties, it’s about the purpose.

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Tried to use grid classes for everything

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Had to write extra classes just to define responsive story

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Single purpose classes resulted in less edge cases (and less code!)

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Gzip minimizes duplicate properties really well

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Tables are difficult

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Avoid too much on the horizontal axis

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Product Design is a team sport

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Goal #1 Evolve the design

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Goal #2 Support Multiple Devices

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Goal #1 reframed: Allow anybody to make product-wide design changes quickly and easily

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Problem: Different tech stacks

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Make the right things easy and the wrong things hard

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Yahoo! still does a custom experience per device

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Shopify is getting rid of Container Queries

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.two-columns { display: flex; flex-wrap: wrap; } .col1, .col2 { flex-grow: 1; } .col1 { flex-basis: 66%; min-width: 360px; } .col2 { flex-basis: 33%; }

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Demo Time

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For Xero… time will tell.

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Designers should think Responsive before they need to.

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Container Queries enable faster development

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Use techniques to avoid media or container queries altogether

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http://ricg.io

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Thank you.
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