.content {
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    background-color: #f4f4f4;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.content h1 {
    text-align: center;
}
.content h1, .content h2 {
    color: #333;
    margin: 20px 0 10px 0;
}
.content ul {
    list-style-type: none;
    padding-left: 0;
}
.content li {
    margin-top: 5px;
}
.content .section {
    margin-bottom: 20px;
}