body {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
    
    padding-top: 30px;
}

.logo {
    text-align: right;
    padding-bottom: 15px;
}

.logo img {
    max-height: 180px;
}

p {
    line-height: 1.8;
}

.content p:first-child {
    margin-top: 0;
}

.books {
    padding-top: 7px;
}

.books .book {
    margin-bottom: 40px;
}

.books .book img {
    max-width: 100%;
}

.books .book p {
    line-height: 1.4;
    margin-top: 10px;
}

.download-button {
    color: #000000;
    font-weight: bold;
    
    text-decoration: none;
    
    display: block;
    
    background: #DDDDDD;
    
    padding: 10px;
    
    text-align: center;
}

.download-button:hover {
    background: #333333;
    color: #FFFFFF;
}