@keyframes slideIn {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes rotation {
    from {
        transform: rotate(0);
    }
    to {
        transform: rotate(360deg);
    }
}

#en-tete {
    animation: slideIn 0.5s ease;
}

.img_accueil {
    width: 400px;
    max-width: 100%;
    height: auto;
    overflow: hidden;
    display: flex;
    justify-content: center;
    margin: 1rem auto;
    border-radius: 50%;
}

.portrait img {
    width: 100%;
    height: auto;
}

.img_accueil:active {
    animation: rotation 0.5s ease;
}



@media screen and (max-width: 768px) {


    .img_accueil {
        width: 50%;
        height: auto;
    }
}