.univers-choix {
    display: flex;
    justify-content: space-around;
    margin-top: 50px;
}

.univers {
    padding: 40px;
    text-align: center;
    font-size: 24px;
    border-radius: 10px;
    background-color: #f0f0f0;
    text-decoration: none;
    color: #333;
    width: 30%;
}

.univers-immobilier {
    background-color: #1976D2;
    color: white;
}
.univers-proprete {
    background-color: #4CAF50;
    color: white;
}
.univers-conformite {
    background-color: #FF5722;
    color: white;
}