#font-loaded mixin
To be used along with the FontFaceObserver approach https://github.com/bramstein/fontfaceobserver
##Usage
// Example with global variables.
$safe-serif: Georgia, serif;
$custom-serif: 'Tiempos Text Bold', $safe-serif;
.element {
@include font-loader($safe-serif, $custom-serif);
}
Which compiles in:
.element {
font-family: Georgia, serif;
}
.fonts-loaded .element {
font-family: "Tiempos Text Bold", Georgia, serif;
}