html {
    overflow: auto;
}

body {
    background-color: #f4fafc;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

#main {
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: auto;
    width: 100%;
}

#summary {
    width: 1024px;
}

#summary > a {
    box-sizing: border-box;
    padding: 20px 0;
    display: block;
    width: 100%;
}

#summary img {
    width: 100%;
}

a:hover img {
    opacity: 0.80;
    filter: alpha(opacity=80);
    -ms-filter: "alpha(opacity=80)";
}