A quick mixin example for font-face and less.

mixins-fontface.less

/*
This should be put in your mixins.less file.
*/

.font-face(@fontname)
{
    font-family: "@{fontname}";
    src: url("/assets/fonts/@{fontfile}.eot");
    src: url("/assets/fonts/@{fontpath}/@{fontfile}.eot?#iefix") format("embedded-opentype"),
    url("/assets/fonts/@{fontfile}.woff") format("woff"),
    url("/assets/fonts/@{fontfile}.ttf") format("truetype"),
    url("/assets/fonts/@{fontfile}.svg#@{fontname}") format("svg");
    font-weight: normal;
    font-style: normal;
}