@media (prefers-color-scheme: dark) {
  body {
    background: #080808;
  }
}
html.dark {
  --frame-header-bg: #141414;
  --frame-text-color: #d2d2d2;
  --frame-slide-bg: #1f1f1f;
  --frame-slide-bg2: #141414;
  --frame-slide-text-color: #fff;
  --frame-slide-text-active: #409eff;
  --frame-main-bg: #080808;
  /* --frame-border-color: #282828; */
  --frame-tab-bg: transparent;
  --frame-tab-active-bg: #151c28;
  --frame-tab-text-color: #dcdcdc;
  --frame-tab-text-active-color: #1668dc;
}
/**
 * element
 */
html.dark {
  --frame-border-color: var(--el-border-color);
}