body {
    margin: 1em 10%;
    background-color: #ccc;
    color: #333;
    font-family: "微软雅黑", "Arial", serif;
}

h1 {
    color: #333;
    background-color: transparent;
}

a {
    background-color: transparent;
    font-weight: bold;
    text-decoration: none;
}

ul {
    padding: 0;
}

li {
    list-style: none;
}

#imagegallery {
    zoom: 1;
    overflow: hidden;
    list-style: none;
}

#imagegallery li {
    float: left;
    margin-right: 1em;
}

#imagegallery li a {
    display: block;
    width: 70px;
    height: 70px;
}

#imagegallery li a img {
    width: 100%;
    height: 100%;
    border: 0;
}

#placeholder {
    display: block;
    width: 300px;
    height: 300px;
}