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EMBRACE THE VERTICAL
The Future of Height-Based Media Queries
ANTOINE BUTLER
Front End Developer, HZDG
@aebsr / aeb.sr
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EMBRACE THE VERTICAL
The Future of Height-Based Media Queries
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“
“What do you want to know about
vertical media queries?”
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WHAT’S A
VERTICAL
MEDIA QUERY?
UH…
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Good question.
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But first, what’s a media query?
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A media query allows you to tailor your
layout based on any number of conditions
against a media type.
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AVAILABLE CONDITIONS
Aspect ratio, Orientation, Resolution, Color and Size
Aspect Ratio
Orientation
Resolution
Color
Size
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LET’S TALK
ABOUT SIZE.
It’s not just the width that ma ers.
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“
– Chris Coyier
“Measuring width is a nice practical example of
media queries, but it isn't the only thing
available.”
css-tricks.com/css-media-queries/
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@media (max-width: 600px)
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@media (max-height: 600px)
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So What?
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1. Content size is variable not intrinsic.
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2. Increases scrolling.
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3. Device* fragmentation
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NETBOOKS AND APPLES
AND ANDROIDS, OH MY!
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REMEMBER THIS?
http://opensignal.com/reports/fragmentation-2013/
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BETTER?
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BEST?
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4. Squishy isn’t good enough.
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IT’S A DODGEBALL…
UNLESS
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“
“Squishy is a legacy solution, but it is the
foundation of responsive web design.”
– Me
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FLUID CIRCA 1999
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AND THAT’S HOW WE GOT HERE.
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So, what do we do?
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ADAPT
Or die trying.
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“
“Smart organizations will see this as a benefit,
not a drawback, and will use this chance to make
a be er website, not just a squishy one.”
– Karen McGrane
http://alistapart.com/column/responsive-design-wont-fix-your-content-problem
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So, what are vertical media queries again?
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An adaptive solution.
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MEAT & POTATOES
HTML & CSS
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Wikipedia.com
Long Form Reading
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Users of supported mobile devices are
automatically redirected to the official mobile
version of Wikipedia.
http://en.wikipedia.org/wiki/Help:Mobile_access
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MOBILE VS DESKTOP
Accordion Layout
Center Images
Serif Font
Simplified Navigation
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Article Title
Introductory text...
Section Title
Lorem ipsum dolor....
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Article Title
<figure>Introductory text...
Section Title
Lorem ipsum dolor....
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bit.ly/WikiProto
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article {
font: 300 1em/1.6 sans-serif;
}
!
article h2 {
border-bo om: 1px solid #000;
}
!
article figure {
float: right;
text-align: center;
}
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/* roughly 650px to target small screens */
!
@media screen and (max-width: 40em) {
figure {
width: 100%;
}
}
!
@media screen and (max-height: 40em) {
article {
font-family: serif;
}
!
article section {
display: none;
}
}
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BENEFITS OF AN ADAPTIVE
WIKIPEDIA.COM
No Device Detection
Single Code Base
SEO & Sharability
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vw.com
Sticky ‘Vertical’ Nav
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New requirements.
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1. Primary navigation must support up to 6 items.
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2. Secondary navigation must support an unlimited
number of items.
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3. Keyboard accessible
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bit.ly/StickyNav
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@theme: #C2D6EB;
@nav-font-size: 0.6875em; // 11px
@nav-size: 8.636363636em; // 95px
@logo-height: 10.454545455em; // 115px
@drawer-width: 21.363636364em; // 235px
@highlight-num: 6;
@min-num: 3;
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nav {
transition: all 0.15s;
transform: translateX(-@drawer-width);
position: fixed;
background: #fff;
width: unit(@nav-size + @drawer-width, em);
top: 0;
bo om: 0;
text-transform: uppercase;
font-weight: bold;
font-size: @nav-font-size;
le er-spacing: -0.036363636em;
}
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a {
padding: 1.5em;
border-bo om: 0;
font-weight: normal;
display: block;
color: #666;
transition: all 0.15s;
text-decoration: none;
img, span {
margin-le : 0.5em;
margin-right: 0.5em;
display: inline-block;
vertical-align: middle;
}
}
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ul {
width: @drawer-width;
overflow: scroll;
&:a er {
content: '';
width: 1px;
height: 100%;
position: fixed;
background: lighten(@theme, 10%);
top: 0;
right: @nav-size;
}
}
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!
// --------------------------------------------------------
// Calculate offsets, account for first link being the logo
// --------------------------------------------------------
@offset: @highlight-num + 1;
@min-offset: @min-num + 1;
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.highlight(@height: @nav-size) {
display: table;
position: absolute;
right: 0;
a {
display: table-cell;
border-bo om: 1px solid lighten(@theme, 10%);
color: darken(@theme, 40%);
height: @height;
width: @nav-size;
padding: 0.75rem;
text-align: center;
vertical-align: middle;
img {
margin: 0 auto;
display: block;
width: auto;
}
span { margin: 0.5em inherit }
}
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// --------------------------------------------------------
// Position "primary" navigation links
// --------------------------------------------------------
!
.position-nav (@index) when (@index =< @offset) {
li:nth-child(@{index}) {
top: unit(@logo-height + (@nav-size * (@index - 2)), em);
}
!
.position-nav(@index + 1);
}
.position-nav (@index) when (@index > @offset) {
.position-more(@index);
}
!
.position-more(@index) when (@index > @min-offset) {
.more {
top: unit(@logo-height + (@nav-size * (@index - 2)), em);
}
}
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nav {
li:first-child {
.highlight(@logo-height);
top: 0;
img {
max-width: 100%;
}
}
li:nth-child(-n+@{min-offset}) {
.highlight();
}
.position-nav (2); // nth-child to start with
}
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// --------------------------------------------------------
// Generate media queries
// --------------------------------------------------------
!
.add-media-query (@index) when (@index > @min-num) {
@total-nav-height: (@nav-size * @index + @logo-height);
@fraction1: (@total-nav-height / 100);
@fraction2: (@nav-font-size * 100);
@root: unit((@fraction1 * @fraction2), em);
…
}
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.add-media-query (@index) when (@index > @min-num) {
…
!
nav {
@media screen and (min-height: @root) {
li:nth-child(-n+@{index}) { .highlight() }
}
!
@media screen and (max-height: @root) {
.position-more(@index);
}
}
.add-media-query(@index - 1);
}
!
.add-media-query (0) {}
.add-media-query (@offset);
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WHAT ELSE CAN WE DO?
Single Page Navigation
Galleries
Scrolling Sites
Takeovers
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EMBRACE THE VERTICAL
@aebsr hzdg.com