CSS Typography Font Size
Example
HTML:
<div id="element-one">Hello I am some text.</div>
<div id="element-two">Hello I am some smaller text.</div>
CSS:
#element-one {
font-size: 30px;
}
#element-two {
font-size: 10px;
}
The text inside #element-one will be 30px in size, while the text in #element-two will be 10px in size.
