.banner {
  height: 140px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url("../image/banner.png");
}

.container {
  background-color: #f4f4f4;
}

.img-box {
  overflow: hidden;
  background-color: #fff;
  padding: 30px 15px;
}

.img-box img {
  display: block;
  width: 100%;
}