body {
    position: relative;
    margin: 0;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #f3f3f4;
}

footer {
    background-color: #333;
}

.navbar-header {
    margin-left: 5px;
    padding-bottom: 5px;
}

.content {
    padding-bottom: 20px;
}