* {
    margin: 0px;
    padding: 0px;
}
body {
    background-color: #f3f3f3
}

a {
    text-decoration: none;
    color: #0094ff;
}

.manual-head {
    width: 100%;
    background-color: #f16122;
    color: #fff;
    font-size: 20px;
    text-align: center;
}

.manual-main {
    margin: 0 auto;
    width: 100%;
    background-color: #ddd;
}

.manual-bottom {
    text-align: center;
    font-size: 14px;
}