section#slider {
  margin-left: 40px;
  border: 0px solid #333;
  width: 1000px;
  height: 575px;
  position: relative;
}

div.slider {
  overflow: hidden;
  width: 960px;
  margin:14px auto 0;
}

div.slider ul {
  list-style-type: none;
  overflow: hidden;
  margin:0px;
  padding:0px;
}

div.slider ul li {
  width: 960px;
  float: left;
}

div.slider ul li img {
  width: 960px;
}

div.arrow {
  font-size: 50px;
  position: absolute;
  top: 40%;
}

div.arrow a {
  text-decoration: none;
  background-color: #333;
  color: #999;
  display: inline-block;
  width: 35px;
  height: 70px;
  line-height: 70px;

}



div.arrow a:nth-child(1) {
  margin-left: 8px;
  padding-left: 3px;
}

div.arrow a:nth-child(2) {
  margin-left: 900px;
  padding-left: 3px;
}