html, body
{
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-size: 100%;
}

h1,h2,h3,h4,h5,h6
{
    margin: 0;
}

div#wrapper
{
    min-height: 100%;
    width: 100%;
    position: relative;
}

header
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background-color: #00BFBF;
}

div#wrapper-main
{
    display: flex;
    box-sizing: border-box;
    width: 100%;
    margin: auto;
    padding-top: 100px;
    padding-bottom: 50px;
}

main
{
    flex-grow: 1;
    box-sizing: border-box;
}

footer
{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background-color: #00BFBF;
}

header h1, footer h2
{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    white-space: nowrap;
}

header h1
{
    font-size: 4rem;
}

footer h2
{
    font-size: 2.5rem;
}