Отзывчивый текст CSS
/* Uses vh and vm with calc */
@media screen and (min-width: 25em){
html { font-size: calc( 16px + (24 - 16) * (100vw - 400px) / (800 - 400) ); }
}
/* Safari <8 and IE <11 */
@media screen and (min-width: 25em){
html { font-size: calc( 16px + (24 - 16) * (100vw - 400px) / (800 - 400) ); }
}
@media screen and (min-width: 50em){
html { font-size: calc( 16px + (24 - 16) * (100vw - 400px) / (800 - 400) ); }
}
deadlymuffin