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Submission: On April 12 via manual from JP — Scanned from NL
Submission: On April 12 via manual from JP — Scanned from NL
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hamburgers
TASTY CSS-ANIMATED HAMBURGERS
Click (or tap) each one to see it animate.
Slider
Squeeze
Arrow
Arrow Alt
Arrow Turn
Spin
Elastic
Emphatic
Collapse
Vortex
Stand
Spring
Minus
3DX
3DY
3DXY
Boring
TABLE OF CONTENTS
* Usage
* Sass
* Customization
* Accessibility
* Browser Support
USAGE
Using Hamburgers for your site is easy (well, that was my intention anyway).
1. Download and include the CSS in the <head> of your site:
<link href="dist/hamburgers.css" rel="stylesheet">
2. Add the base hamburger markup:
<button class="hamburger" type="button">
<span class="hamburger-box">
<span class="hamburger-inner"></span>
</span>
</button>
You can use <div>s (if you insist), but they’re not accessible as a menu
button.
<div class="hamburger">
<div class="hamburger-box">
<div class="hamburger-inner"></div>
</div>
</div>
3. Append the class name of the type of hamburger you’re craving:
<button class="hamburger hamburger--collapse" type="button">
<span class="hamburger-box">
<span class="hamburger-inner"></span>
</span>
</button>
Here’s the list of hamburger-type classes you can choose from:
* hamburger--3dx
* hamburger--3dx-r
* hamburger--3dy
* hamburger--3dy-r
* hamburger--3dxy
* hamburger--3dxy-r
* hamburger--arrow
* hamburger--arrow-r
* hamburger--arrowalt
* hamburger--arrowalt-r
* hamburger--arrowturn
* hamburger--arrowturn-r
* hamburger--boring
* hamburger--collapse
* hamburger--collapse-r
* hamburger--elastic
* hamburger--elastic-r
* hamburger--emphatic
* hamburger--emphatic-r
* hamburger--minus
* hamburger--slider
* hamburger--slider-r
* hamburger--spin
* hamburger--spin-r
* hamburger--spring
* hamburger--spring-r
* hamburger--stand
* hamburger--stand-r
* hamburger--squeeze
* hamburger--vortex
* hamburger--vortex-r
Note: -r classes are reverse variants (e.g. hamburger--spin spins clockwise
whereas hamburger--spin-r spins counterclockwise.
4. Trigger the active state by appending class name is-active:
<button class="hamburger hamburger--collapse is-active" type="button">
<span class="hamburger-box">
<span class="hamburger-inner"></span>
</span>
</button>
Since the class name would have to be toggled via JavaScript and
implementation would differ based on the context of how you plan on using
the hamburger, I’m going to leave the rest up to you. Stuck? Here‘s a hint.
Here’s a snippet of how to toggle a class name on click with JavaScript:
<script>
// Look for .hamburger
var hamburger = document.querySelector(".hamburger");
// On click
hamburger.addEventListener("click", function() {
// Toggle class "is-active"
hamburger.classList.toggle("is-active");
// Do something else, like open/close menu
});
</script>
...or jQuery:
<script>
var $hamburger = $(".hamburger");
$hamburger.on("click", function(e) {
$hamburger.toggleClass("is-active");
// Do something else, like open/close menu
});
</script>
SASS
.scss source files are available if you use Sass as your CSS precompiler. It’s
customizable and modular.
1. Hamburgers is available via npm, yarn and Bower.
npm install hamburgers
yarn get hamburgers
bower install css-hamburgers
Also available as a Ruby gem to use within your Rails application—see below
for more information.
Or to manually install it, download and unzip the source code from Github.
Then copy the files from the _sass/hamburgers directory into your project.
2. Import the hamburgers.scss file in your Sass manifest file:
@import "path/to/hamburgers";
3. Customize your hamburger and/or remove any types you don’t want in
hamburgers.scss.
4. Compile your Sass*, and voila!
* Be sure to run the CSS through Autoprefixer since the Sass doesn’t account for
vendor prefixes.
INSTALL FOR RUBY ON RAILS
1. Add Hamburgers to your Gemfile.
gem 'hamburgers'
2. Run bundle install.
3. Include Hamburgers by using Sass’s native !import**:
// application.scss
@import "hamburgers";
** More information on why Sass’s native @import + why you should ditch
Sprockets directives altogether.
CUSTOMIZATION
To override default settings, declare them before importing Hamburgers:
$hamburger-padding-x: 20px;
$hamburger-padding-y: 15px;
$hamburger-types : (collapse);
@import "hamburgers";
You can also create a separate file (e.g. hamburgers-settings.scss) with those
declarations, then import it along with Hamburgers:
@import "hamburgers-settings"
@import "hamburgers";
Here is the full list of default settings (found in
_sass/hamburgers/hamburgers.scss);
$hamburger-padding-x : 15px !default;
$hamburger-padding-y : 15px !default;
$hamburger-layer-width : 40px !default;
$hamburger-layer-height : 4px !default;
$hamburger-layer-spacing : 6px !default;
$hamburger-layer-color : #000 !default;
$hamburger-layer-border-radius : 4px !default;
$hamburger-hover-opacity : 0.7 !default;
$hamburger-active-layer-color : $hamburger-layer-color !default;
$hamburger-active-hover-opacity: $hamburger-hover-opacity !default;
// To use CSS filters as the hover effect instead of opacity,
// set $hamburger-hover-use-filter as true and
// change the value of $hamburger-hover-filter accordingly.
$hamburger-hover-use-filter : false !default;
$hamburger-hover-filter : opacity(50%) !default;
$hamburger-active-hover-filter: $hamburger-hover-filter !default;
// Types (Remove or comment out what you don’t need)
$hamburger-types: (
3dx,
3dx-r,
3dy,
3dy-r,
3dxy,
3dxy-r,
arrow,
arrow-r,
arrowalt,
arrowalt-r,
arrowturn,
arrowturn-r,
boring,
collapse,
collapse-r,
elastic,
elastic-r,
emphatic,
emphatic-r,
minus,
slider,
slider-r,
spring,
spring-r,
stand,
stand-r,
spin,
spin-r,
squeeze,
vortex,
vortex-r
) !default;
EMS OR REMS
Wanna work with ems or rems instead of px? Just change all the px values to the
unit of your choice. Note: Be consistent (all px or all ems), otherwise it may
break—the math behind the customization will fail if it attempts to perform
operations with values of different units.
NOT SATISFIED?
Dig into _base.scss or types/ and customize to your heart’s content. Fair
warning: It‘s pretty delicate and may break, especially if you tweak the
animations themselves.
ACCESSIBILITY
Hamburger menu icons can be useful in the right context, but they’re not the
most accessible.
ARIA will help make it accessible to people with disabilities.
<button class="hamburger hamburger--elastic" type="button"
aria-label="Menu" aria-controls="navigation">
<span class="hamburger-box">
<span class="hamburger-inner"></span>
</span>
</button>
<nav id="navigation">
<!--navigation goes here-->
</nav>
If you insist on using <div>s, by default they’re not focusable (i.e. via
keyboard or assistive technology). Add the tabindex attribute alongside ARIA.
<div class="hamburger hamburger--elastic" tabindex="0"
aria-label="Menu" role="button" aria-controls="navigation">
<div class="hamburger-box">
<div class="hamburger-inner"></div>
</div>
</div>
<nav id="navigation">
<!--navigation goes here-->
</nav>
A label can help make it more obvious that it toggles a menu.
Menu
Here are some resources on web accessibility and ARIA.
BROWSER SUPPORT
Animations use CSS3 3D transforms (translate3d whenever possible for GPU
acceleration), which is supported by most browsers (not supported by IE9 and
older and Opera Mini). For detailed browser support, check caniuse.com.
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Carbon
Chef Jonathan Suh, @jonsuh
|Recipe on Github