<!DOCTYPE html>
<html lang="fr">
<head>
Une page web
</head>
<body>
Hello world !
</body>
</html>
body {
margin: 0;
font-family: Arial, Helvetica, sans-serif;
color: white;
background-color: black;
}
#include <stdio.h>
int main(void) {
printf("Hello world !\n");
}