@media only screen and (max-width:767px){.your-class{font-size:16px}}@media only screen and (min-width:768px) and (max-width:1024px){.your-class{font-size:18px}}@media only screen and (max-width:767px){.your-class{font-size:16px}}@media only screen and (min-width:768px) and (max-width:1024px){.your-class{font-size:18px}}