header
{
    color: blue;
    font-family: 'Courier New', Courier, monospace;
    text-align: center;   
}



footer
{
    margin-top: 100px;
    color: red;
    font-size: small;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-style: italic;
    text-align: center;
}

label
{
 /*   display: block;   */
}

legend {
    font-weight: bolder;
}


button
{
    display: block;   
    margin-left: auto;
    margin-right: auto;
}

fieldset
{
    margin: 200px;
    margin-top: 50px;
    margin-bottom: 50px;
}