body {
    font-family: serif;
    font-size: 20px;
    margin: 0;
}

header {
    font-family: cursive;
    font-weight: 900;
    font-size: 3em;
    position: fixed;
    left: 0;
    top: 0;
    padding-top: 0px;
}

svg.icon {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
    vertical-align: text-top;
}

svg.bigicon {
    width: 3rem;
    height: 3rem;
    fill: currentColor;
    vertical-align: text-top;
}