app/common/styles/layout/content.scss

// Content layout styles

.content__container {
  margin-left: $nav__toplvlWidth;
  padding: 1em .1em;
  transition: left 1s ease;
  @include mediaQuery(x-small){
    margin-left: $nav__toplvlWidth + $nav__seclvlWidth;
    padding: 1rem 2rem;
  }
}