To make your web-page fonts increase/decrease as the browser window dimensions change use viewport-based values instead of %, ems, pxs or pts. 1vw = 1% of viewport width 1vh = 1% of viewport height 1vmax = 1vw or 1vh, whichever is larger 1vmin = 1vw or 1vh, whichever is smaller Example: h1 { font-size: 4vw; […]