html {
    font-family: sans-serif;
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0,0,0,0)
}

body {
    font-family: "Graphik", arial, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
}

body.form {
    grid-template-rows: auto 1fr auto;
}

header, footer {
    position: sticky;
    z-index: 100;
}

header {
    background: #fff;
    top: 0;
}

footer {
    bottom: 0;
}