increase font-weight in css code example

Example 1: css bold text

.text {
	font-weight: bold;
}

Example 2: css bold weight

/* key word "lighter", "normal", "bold", or "bolder" */ 
.normal {
  font-weight: normal;
}

/* number between 100 and 900 */
.heavy {
  font-weight: 900;
}