dark background css code example

Example 1: how to blur background color in css

background: rgba(255,255,255,0.5);
backdrop-filter: blur(5px);

Example 2: css darkmode

@media (prefers-color-scheme: dark) {

}

Example 3: background css

body {
  background: #ffffff url("img_tree.png") no-repeat fixed right top;
}