.container {
  margin-right: auto;
  margin-left: auto;
}
@media (min-width: 768px) {
  .container {
    width: 730px;
  }
}
@media (min-width: 992px) {
  .container {
    width: 950px;
  }
}
@media (min-width: 1200px) {
  .container {
    width: 1150px;
  }
}
.container-fluid {
  margin-right: auto;
  margin-left: auto;
}