h1 {font-family: "source sans 3"; font-weight: 500; font-size: 40px} h2 {font-size: 35px; font-family: "source sans 3"; font-weight: 500} h3 {font-size: 30px; font-family: "source sans 3"; font-weight: 500} h4 {font-family: "source sans 3"; font-weight: 500; font-size: 25px}@media (max-width: 991px) { h1 {font-size: 35px} h2 {font-size: 32px} h3 {font-size: 28px} h4 {font-size: 25px}}@media (max-width: 767px) { h1 {font-size: 30px} h2 {font-size: 28px} h3 {font-size: 25px} h4 {font-size: 22px}}@media (max-width: 478px) { h1 {font-size: 30px} h2 {font-size: 28px} h3 {font-size: 25px} h4 {font-size: 22px}}