shadcn-ui/apps/www/app/examples/cards/styles.css

[data-section="cards"] {
  --background: 0 0% 100%;
  --foreground: 222.2 47.4% 11.2%;

  --muted: 214 95% 93%;
  --muted-foreground: 215.4 16.3% 46.9%;

  --popover: 0 0% 100%;
  --popover-foreground: 222.2 47.4% 11.2%;

  --border: 214.3 31.8% 91.4%;
  --input: 214.3 31.8% 91.4%;

  --card: 0 0% 100%;
  --card-foreground: 222.2 47.4% 11.2%;

  --primary: 224 82% 56%;
  --primary-foreground: 0 0% 100%;

  --secondary: 210 40% 96.1%;
  --secondary-foreground: 222.2 47.4% 11.2%;

  --accent: 216 100% 97%;
  --accent-foreground: 222.2 47.4% 11.2%;

  --destructive: 0 100% 50%;
  --destructive-foreground: 210 40% 98%;

  --ring: 215 20.2% 65.1%;

  --radius: 1.2rem;
}

.dark [data-section="cards"] {
  --background: 224 71% 4%;
  --foreground: 213 31% 91%;

  --muted: 223 47% 11%;
  --muted-foreground: 215.4 16.3% 56.9%;

  --popover: 224 71% 4%;
  --popover-foreground: 215 20.2% 65.1%;

  --border: 216 34% 17%;
  --input: 216 34% 17%;

  --card: 224 71% 4%;
  --card-foreground: 213 31% 91%;

  --primary: 224 82% 56%;
  --primary-foreground: 0 0% 100%;

  --secondary: 210 40% 96.1%;
  --secondary-foreground: 222.2 47.4% 11.2%;

  --accent: 226 57% 21%;
  --accent-foreground: 0 0% 100%;

  --destructive: 0 63% 31%;
  --destructive-foreground: 210 40% 98%;

  --ring: 215 20.2% 65.1%;
}