Check out example codes for "make font all caps css". It will help you in understanding the concepts better.

Code Example 1

.link {
  text-transform: lowercase;
}

.link::first-line {
  text-transform: capitalize;
}

Code Example 2

.class_name {
  text-transform: none|capitalize|uppercase|lowercase|initial|inherit;
}

Code Example 3

div.a {
  text-transform: uppercase;
}


div.b {
  text-transform: lowercase;
}


div.c {
  text-transform: capitalize;
}

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