body,
div,
ul,
li,
header,
footer,
img,
a,
h1,
h2,
h3,
h4,
h5,
span,
p,
button {
  margin: 0;
  padding: 0;
}
html{min-width:1400px}
a {
  text-decoration: none;
}
li {
  list-style: none;
}
.dan {
  text-wrap: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.duo {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}