@charset "UTF-8";
header {
    width: 250px;
    height: 182px;
    margin-left: auto;
    margin-right: auto;
}
main   {
    width: 800px;
    height: 460px;
    margin-left: auto;
    margin-right: auto;
}
footer   {
    margin-left: auto;
    margin-right: auto;
    width: 400px;
    color: #B5F51D;
    text-align: center;
    font-size: xx-large;
}