* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
h1 {
  color: white;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
  }

  #main1 {
    background-color: lightblue;
  }

header {
    background-color: black;
    color: rgb(8, 5, 5);
    text-align: center;
    padding: 10px;
    height: 7.5vh; /* Hauteur de 5% de la vue */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000; /* Assure que le header est au-dessus du reste du contenu */
}

footer {
    background-color: black;
    color: white;
    text-align: center;
    padding: 10px;
    height: 7.5vh; /* Hauteur de 5% de la vue */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
}

/*main1 {
  border-width: 10cm;
  border-color: red;
}*/


main {
  display: flex;
  flex-direction: column;
}