convert to lower case in html code example

Example: text transform in css

/*HTMl*/
<p >Initial String
  <h2>Lorem ipsum dolor sit amet</h2>
</p>
<div class="heading">
  This will be capitalize
</div>

 /*CSS*/
.heading {
  text-transform: capitalize;
}
/*OTHER TEXT TRANSFORM*/ 
text-transform: none;
text-transform: capitalize;
text-transform: uppercase;
text-transform: lowercase;
text-transform: full-width;
text-transform: full-size-kan