body {
    background-color: yellow;
}

.box {
    width: 545px;
    height: 680px;
    margin: 0 auto;
    margin-top: 100px;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 30px;
}

h2 {
    font-family: 'Courier New', Courier, monospace;
    font-size: medium;
}

h3 {
    font-size: 35px;
    font-weight: 400px;
}

p {
    font-size: 30px;
}