html body .container-12 {
  max-width: 1700px;
  margin-left: auto;
  margin-right: auto;
}
html body #zone-footer-wrapper {
  background-image: url(../images/rotunda-footer.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: auto 80%;
}

.grid-3, .grid-9 {
  display: inline;
  float: left;
  position: relative;
  margin-left: 10px;
  margin-right: 10px;
}

body {
  min-width: 1200px;
}

.container-12 {
  margin-left: auto;
  margin-right: auto;
  width: 1200px;
}

.container-12 .grid-3 {
  width: 280px;
}

.container-12 .grid-9 {
  width: 880px;
}