app/common/styles/layout/page.scss

/**
 * Used for page layout. This should be used for the page container
 * Mark up
 <div class="page">
   <h1 class="page-title">Page Title</h1>
   ...
 </div>
 */
.page {
  max-width: 1080px;
}

.page-title {
  margin-bottom: 3rem;
}