Sticky footer for Moodle with Bootstrap 2

styles.css

body,
html {
    height: 100%;
    padding-top: 0; /* Revert default padding for navbar */
}
.wrapper {
    min-height: 100%;
    margin-bottom: -150px; /* Negative footer minimum height */
}
.wrapper::after {
    content: "";
    display: block;
    min-height: 150px; /* Footer minimum height */
}
#page-footer {
    box-sizing: border-box;
    margin: 0;
    min-height: 150px; /* Footer minimum height */
}
#page {
    padding-top: 60px; /* Bootstrap Navbar height */
}