@media (min-width: 1520px) {/*1400 + 12vw*/
  #content > div:first-of-type ~ div:not(.fullwidth){max-width:1400px;margin-left:auto;margin-right:auto;}
  #content > div.fullwidth.cascade-sidebyside{padding-left:calc((100vw - 1320px) / 2);padding-right:calc((100vw - 1320px) / 2);}
}