h1{font-weight:600;font-size:60px}h1.product_title{font-size:40px}h2{font-weight:600;font-size:40px}h3{font-weight:600}@media only screen and (max-width:767px){h1,h1.product_title{font-size:30px!important}h2{font-size:24px!important}h3{font-size:20px!important}}