prefers-color-scheme and CSS variable theming.

• Category: Miscellaneous — part of the CSS Tutorial on GoCareerGo
• Read the short summary above, then check the linked docs for full syntax/behaviour
• Interview tip: be ready to explain "Dark Mode with CSS" in one sentence, then back it up with a tiny example

/* Dark Mode with CSS */
.example {
  /* see the property reference on MDN for full syntax */
}