h1 {
    margin-top: 20px;
    margin-bottom: 10px;
    text-align: center;
    
}

.portrait {
    display: block;
    margin: 0 auto;
}

h2, h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    
}

p {
    margin-bottom: 15px;
    text-align: center;
}

img {
    margin: 30px;
    display: block;
    margin: 0 auto;
}