body .container {
    background: linear-gradient(to top, #fff1eb 0%, #ace0f9 100%);
    margin: auto;
    container: container;
    display: block;
}

button {
    background-color: #4691ee;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: centre;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
}

footer {
    position: fixed;
    align-content: last baseline;
}