html is font size font height or length code example
Example 1: css font-size
#selector{
font-size:20px;
}
Example 2: css font size
// to scale font size in relation to its parent element
style="font-size: 2vw;"
#selector{
font-size:20px;
}
// to scale font size in relation to its parent element
style="font-size: 2vw;"