:root {
  --bg-body:          #111a18;
  --bg-hero:          #1a2421;
  --nav-bg:           linear-gradient(to bottom,rgba(17,26,24,.9) 0%,transparent 100%);
  --bg-footer:        #0d1411;
  --bg-footer-bottom: #080f0d;
  --pres-bg:          rgba(0,0,0,.3);
}
body { background:var(--bg-body); }