FRONTEND_MVC/assets/less/grid.less

@media (min-width: 576px){
  .container, .container-sm {
    max-width: 540px;
  }
}
@media (min-width: 768px){
  .container, .container-sm, .container-md {
    max-width: 720px;
  }
}
@media (min-width: 992px){
  .container, .container-sm, .container-md, .container-lg {
    max-width: 960px;
  }
}
@media (min-width: 1200px)  {
  .container, .container-sm, .container-md, .container-lg, .container-xl {
    max-width: 1306px;
  }
}