:root {
  --standard-width: 375;
  --z-index--low: 1;
  --z-index--mid: 5;
  --z-index--max: 10;
  --standard-font-size: 14;
  --standard-line-height: 1.5;
  --transition: all 0.3s ease-out;
}

@media screen and (min-width: 960px) {
  :root {
    --standard-width: 1440;
    --standard-font-size: 16;
    --standard-line-height: 1.75;
  }
}