.scroll-img {
  border: 1px solid #ddd;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  height: 120px;
  overflow: hidden;
  font-size: 0;
  margin-bottom: 20px;
}
.scroll-img ul {
  width: 100%;
  height: 100%;
  margin: 0;
}
.scroll-img ul li {
  display: inline-block;
  margin: 0px;
  width: 160px;
  height: 100%;
}
.scroll-img ul li a img {
  margin: 0px;
  width: 100%;
  height: 100%;
}
#demo5.scroll-img ul {
  width: 1500px;
}