body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

section {
    flex: 1 0 auto;
}

a.cntr {
	text-align: center;
}


footer.page-footer {
    margin-top: 0px;
    padding-top: 0px;
    background-color: #2196f3;
}