/* Ensure the html and body take up the full viewport height */
html, body {
    height: 100%;
    margin: 0;
}

/* Make sure all containers fill the remaining height */
.container {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* This ensures the content expands to fill the available space */
.content {
    flex: 1;
}