*
{
    margin: 0;
    padding: 0;
    border: 0;
}

body
{
    background-color: black;
}

header
{
    background-color: red;
    padding: 10px;
    color: white;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 22px;
    font-weight: 700;
}