/* CSS Document */

h1 { /* alt gr + 123 */ 
color: white;   /* ctrl + space */
background-color: black;
}
h2 { /* alt gr + 123 */ 
color: black;   /* ctrl + space */
background-color: green;
}
h3 { /* alt gr + 123 */ 
color: blue;   /* ctrl + space */
background-color: black;
}
h4 { /* alt gr + 123 */ 
color: black;   /* ctrl + space */
background-color: pink;
}