body {
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    display: flex;
    align-items: center;
    flex-direction: column;
    height: 100vh;
}

img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

nav{
    display: flex;
    flex-basis: auto;
    flex-wrap: wrap;
    row-gap: 10px;
    column-gap: 2em;
    justify-content: center;
    align-items: center;
}

.bouton {
    background-color: #42277f;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    font-size: 16px;
    width: 20em;
    border-radius: 10px;
    border-width: 0
}

.logo {
    height: auto;
    width: 70%;
}

.mainlogo {
    height: auto;
    width: 100%;
}

.bouton:hover{
    background-color: #534081;
}