css theme

via https://www.zhangxinxu.com/wordpress/2020/11/css-mix-blend-mode-filter-dark-theme/

css media 查询

@media (prefers-color-scheme: dark) {
  body { 
    color:red !important;
  }
}

js 检测

window.matchMedia("(prefers-color-scheme: dark)").matches;

js drag

https://codepen.io/zz85/pen/gbOoVP