{{#extend "layout"}}{{#content "main"}}
Icons should always be SVG. Place them in
images/iconsand once you start the server or build the project, grunticon will take those images and generate an icon sprite.
Please inspect the markup below.
In the HTML header there should be a grunticon.loader.js script and a one-liner below to load the appropriate icon file.
{{/content}}{{/extend}}