change div size on bigger text code example

Example 1: css change text size

p {
	font-size: 150% /*px, cm, in, etc.*/; 
}

Example 2: css size

#myID {
  height: 100px; /* Sets the height */
  width: 200px; /* Sets the width */
}
/* or... */
.myClass {
  height: 220px; /* Sets the height */
  width: 40px; /* Sets the width */
}
/* They both work! */