Check out example codes for "font-weight css". It will help you in understanding the concepts better.

Code Example 1

/* Valeurs avec un mot-clé */
font-weight: normal;
font-weight: bold;

/* Valeurs relatives à l'élément parent */
font-weight: lighter;
font-weight: bolder;

/* Valeurs numériques */
font-weight: 1;
font-weight: 100;
font-weight: 100.6;
font-weight: 123;
font-weight: 200;
font-weight: 300;
font-weight: 321;
font-weight: 400;
font-weight: 500;
font-weight: 600;
font-weight: 700;
font-weight: 800;
font-weight: 900;
font-weight: 1000;

/* Valeurs globales */
font-weight: inherit;
font-weight: initial;
font-weight: unset;

Code Example 2

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

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

Code Example 3

.text {
	font-weight: bold;
}

Code Example 4

we can set text bold using css property named 'font-weight'
Syntax:
selector{
  font-weight: bold;
}

Code Example 5

p.normal {
  font-weight: normal;
}


 p.thick {
  font-weight: bold;
}


 p.thicker {
  font-weight: 900;
}

Code Example 6

<p style="font-weight:bold">Hey there</p>

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