* {
    margin: 0;
    pad: 0;
}

.top-1 {
    height: 30px;
}

.now-position {
    width: 1200px;
    height: 50px;
}

.list-nav {
    width: 1200px;
    height: 32px;
}

.list-content {
    width: 1200px;
}