header{
    background-color: #05064b;
    color: #fff;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 16px;
}

main{ 
    background-color: #7d339b00;
    color: #000;
    max-width: 800px;
    margin: 0 auto;
    padding: 16px;
}

img{
    display: block;
    width: 250px;
    margin: 0 auto;
    border: 4px solid #05064b;
    height: 300px;
}