body {
    font-size: .875rem;
    color: #333;
    background-color: #f5f6f7;
    /* background-color: #003153;//中国蓝 普鲁士蓝 */
    /* background-color: #aa381e; //中国红 */
}

ul li {
    list-style-type: none;
}

a {
    color: #333;
    text-decoration: none;
    /* font-size: 14px; */
}

a:focus, a:hover {
    color: #000;
    /* text-decoration: underline */
}

a:focus {
    color: #333;
    outline: thin dotted;
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px
}

img {
    max-width: 100%;
    max-height: 100%;
}