body {
    background-color: pink;
    text-align: center;
    font-family: Arial;
}

h1 {
    color: white;
    background: blue;
    padding: 10px;
    border-radius: 10px;
}

img {
    width: 200px;
    border-radius: 20px;
}
body {
    background-image: url("fond.png"); /* ton image de fond */
    background-size: cover; /* l’image couvre toute la page */
    background-attachment: fixed; /* effet de défilement */
    font-family: "Comic Sans MS", cursive;
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 1s infinite;
}