Use below list of classes to adjust font size anywhere in the content.
.fs11, .fs12, .fs13, .fs14, .fs16, .fs18, .fs20, .fs22, .fs24, .fs26, .fs28, .fs30, .fs32, .fs34, .fs36, .fs38, .fs40, .fs42, .fs44, .fs46, .fs48, .fs50, .fs52, .fs54, .fs56, .fs58, .fs60, .fs62, .fs64, .fs66, .fs68, .fs70, .fs72, .fs74, .fs76, .fs78, .fs80, .fs82, .fs84, .fs86, .fs88, .fs90, .fs100, .fs110, .fs120, .fs130, .fs140, .fs150, .fs160, .fs170, .fs180, .fs190, .fs200
<div class="typo-light"> <h1 class="title large fs50">Title text</h1> <p class="title-sub small fs30">Sub title text</p> <p class="fs18">Lorem ipsum dolor sit amet, consectetur adipisicing elit</p> </div>