Böyle atarsan daha iyi olur
@font-face {
font-family: 'CarterOneRegular';
src: url('../fonts/carterone-webfont.eot');
src: url('../fonts/carterone-webfont.eot?#iefix') format('embedded-opentype'),
url('../fonts/carterone-webfont.woff') format('woff'),
url('../fonts/carterone-webfont.ttf')...