body {
    color: #191919;
}
body, h1, h2, h3, h4, h5, h6, p {
    margin: 0;
}
a {
    text-decoration: none;
}
.yx-container {
    width: 1200px;
    padding: 0 12px;
    margin-left: auto;
    margin-right: auto;
}