body {
    margin     : 0;
    padding    : 0;
    text-align : center;
    font       : 13px "メイリオ", "Meiryo", "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", sans-serif;
}
a.image_url img {
    border-style : none;
}
#display_image {
    margin-left  : auto;
    margin-right : auto;
}
#display_image .has-link:hover{
    -webkit-filter: brightness(120%);
    filter: brightness(120%);
}
#powered_by {
    font-size : 10px;
}