body {
    min-height: 100vh;
}
header {
    margin-bottom: 2em;
}
footer {
    position: fixed;
    bottom: 0;
    width: 100%;
}
.navbar-nav {
    font-size: 19px;
}
.navbar-right {
    float: right !important;
    margin-right: -15px;
}
.navbar-nav > li > a {
    padding-top: 19.5px;
    padding-bottom: 19.5px;
}
.nav::after {
    clear: both;
}
.nav::after, .nav::before {
    content: " ";
    display: table;
}