body {
    font-family: "fangsong";
    background-color: dodgerblue;
    text-align: center;
}

a {
    text-decoration: none;
    color: darkblue;
    background-color: white;
    padding: 15px;
    position:relative;
    left:620px;
}
img {
    display: block;
    width: 100%;
    margin-bottom: 10px;
}

.link {
    margin: 20px;
}