@media prefers-color-scheme

.day   { background: #eee; color: black; }
.night { background: #333; color: white; }

@media (prefers-color-scheme: dark) {
  .day.dark-scheme   { background:  #333; color: white; }
  .night.dark-scheme { background: black; color:  #ddd; }
}

@media (prefers-color-scheme: light) {
  .day.light-scheme   { background: white; color:  #555; }
  .night.light-scheme { background:  #eee; color: black; }
}

.day, .night {
  display: inline-block;
  padding: 1em;
  width: 7em;
  height: 2em;
  vertical-align: middle;
}

Source: developer.mozilla.org

Similar codes

4 votes135 views1 answer
Grid mdn
CSS
109 votes184 views6 answers
What is padding in css
CSS
3 votes200 views1 answer
Get company id odoo
CSS
0 vote185 views1 answer
Text in circle css
CSS
0 vote172 views1 answer
Meaning of bbc
CSS
6 votes163 views4 answers
How to make the image in the center html
CSS
2 votes182 views1 answer
Basic css table
CSS
0 vote159 views1 answer
Mailto link with no decoration
CSS
14 votes179 views2 answers
Css grid command for responsive design
CSS
0 vote200 views1 answer
Css apply style to direct children
CSS