.telechargement {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 10vh;
    margin: 0;

}

button {
    padding: 10px 20px;
    font-size: 16px;
    border: currentColor;
    border-radius: 5px;
    background-color:#428bca;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color:  #3e6b96;
}