PrimaShop - Optimize For Big Screen

style.css

/* Optimize For Big Screen */
#container .container-inner {
  width:1200px;
}
body.stylelayout-full .margin{
  width:1200px;
}
body.stylelayout-boxed #container .container-inner {
  width:1200px;
}

@media only screen and (max-width: 1200px) {
  body.stylelayout-full .margin{
    margin: 0 20px;
    width: auto;
  }
  body.stylelayout-boxed #container .container-inner {
    margin: 0 20px;
    width: auto;
  }
}