:root{
  --paper:210 40% 98%;
  --ink:222 47% 11%;
  --ink-soft:215 25% 35%;
  --ink-faint:215 20% 47%;
  --rule:214 32% 88%;
  --surface-elev:210 40% 96%;
  --gold:217 91% 60%;
  --gold-soft:214 95% 93%;
  --serif:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;
}
.dark{
  --paper:222 47% 11%;
  --ink:210 40% 98%;
  --ink-soft:215 20% 72%;
  --ink-faint:215 16% 58%;
  --rule:217 33% 22%;
  --surface-elev:217 33% 17%;
  --gold:217 91% 65%;
  --gold-soft:217 45% 22%;
}
body{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif}