* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: #ffffff;
    color: #222;
}

#content {
    max-width: 720px;
    margin: 40px auto;
    padding: 40px 50px;
    background-color: #e6e6e6;
}

#content h1,
#content > p {
    text-align: center;
}

#content h1 {
    font-size: 32px;
    margin-bottom: 12px;
}

#content > p {
    font-size: 18px;
    color: #1e73be;
    margin-bottom: 20px;
}

hr {
    width: 75%;
    border: none;
    border-top: 3px solid blue;
    margin: 0 auto 30px auto;
}

#content img {
    display: block;
    width: 300px;
    margin: 0 auto 30px auto;
}

#topics {
    width: 280px;
    margin: 0 auto;
    text-align: left;
}

#topics h2 {
    font-size: 20px;
    margin: 12px 0 4px;
    text-align: center;
}

.list {
    list-style: none;
    margin: 0 0 6px 0;
    padding: 0;
}

.list li {
    font-size: 14px;
    line-height: 1.4;
    margin: 0;
}