html,
body {
    width: 100%;
    min-height: 100%;
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
}
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.footer-site {
    margin-top: auto;
    width: 100%;
    background: #0a3056;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}