.scroll-img {
  width: 100%;
  height: 248px;
  overflow: hidden;
  font-size: 0;
}
.scroll-img ul {
  width: 100%;
  height: 248px;
  margin-left:0px;
}
.scroll-img ul li {
  display: inline-block;
  margin: 0px 0 0px 0px;
  padding:0px;
}
#demo4.scroll-img ul,
#demo5.scroll-img ul {
  width: 1500px;
}