Tämä koodipätkä sijoitetaan <head> ja </head> sisälle.
<style media="screen" type="text/css" >
.p1 {font-weight: normal;}
.p2 {font-weight: bold;}
.p3 {font-weight: bolder;}
.p4 {font-weight: lighter;}
.p5 {font-weight: 100;}
.p6 {font-weight: 200;}
.p7 {font-weight: 300;}
.p8 {font-weight: 400;}
.p9 {font-weight: 500;}
.p10 {font-weight: 600;}
.p11 {font-weight: 700;}
.p12 {font-weight: 800;}
.p13 {font-weight: 900;}
</style>
font-weight: normal;
font-weight: bold;
font-weight: bolder;
font-weight: lighter;
font-weight: 100;
font-weight: 200;
font-weight: 300;
font-weight: 400;
font-weight: 500;
font-weight: 600;
font-weight: 700;
font-weight: 800;
font-weight: 900;