body {
    height: 95vh;
    font-family: sans-serif;
    text-align: center;
    font-size: 20px;
    display: flex;
    flex-direction: column;
}


header {
    /*background-color: darkolivegreen;*/
    padding: 1em 0 1em 0;
    font-size: 20px;
    
}