fonts-to-drupal

drupal-custom-fonts.css

@font-face {
    font-family: Neutra;
    src: url('NeutraTextBook.otf'), 
    url('NeutraText-Book.woff') format('woff'),
     url('NeutraText-Book.eot'),
    url('NeutraText-Book.ttf') format('truetype');
}

@font-face {
    font-family: Neutra-Bold;
    src: url('NeutraText-Bold.otf'), 
    url('NeutraText-Bold.woff') format('woff'),
     url('NeutraText-Bold.eot'),
    url('NeutraText-Bold.ttf') format('truetype');
}

@font-face {
    font-family: Neutra-Demi;
    src: url('NeutraText-Demi.otf'), 
    url('NeutraText-Demi.woff') format('woff'),
     url('NeutraText-Demi.eot'),
    url('NeutraText-Demi.ttf') format('truetype');
}

Add fonts to your css folder (you can move and retarget later). Put this in your html.css file. Use the font-family declaration to style your css.