how to make a button take the size of its text code example

Example 1: html button size

transform: scale(4); /* This will make the component 4 times bigger  */

Example 2: text size to fit button

/*I have absolutely no idea how to do this properly*/
/*The closest I can do is - */
/*Make the text just right, trial and error with:*/
text-align: center;
font-size: 20px;