* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overscroll-behavior: none;
}

body {
    background: #fff;
    display: flex;
    flex-direction: column;
    font-family: 'Century Gothic', Arial, Helvetica, sans-serif;
}

header {
    flex-shrink: 0;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

footer {
    flex-shrink: 0;
}