A collection of animating CSS-only hamburger menu icons. View demo here.
You can use as is and configure the CSS manually, or you can make use of the Sass file and the configuration block. Here's the config options:
$button-width: 96px; // The width of the button area
$button-height: 96px; // The height of the button area
$bar-thickness: 8px; // The thickness of the button bars
$button-pad: 18px; // The left/right padding between button area and bars.
$button-bar-space: 12px; // The spacing between button bars
$button-transistion-duration: 0.3s; // The transition durationLicensed under the MIT license, http://www.opensource.org/licenses/mit-license.php
Copyright 2014, Call Me Nick