.banner {
  display: block;
  max-width: 1920px;
  width: 100%;
  margin: auto;
  background-color: #f2f2f2;
  position: relative;
}
.banner::before {
  content: "";
  float: left;
  padding-top: 18.75%;
}
.banner::after {
  content: "";
  display: table;
  clear: both;
}
.banner img {
  max-width: 100%;
  width: auto;
  height: auto;
  display: block;
}

/*# sourceMappingURL=banner.css.map */