.ar16x9{
aspect-ratio: 16/9;
}
body {
background: var(--bg-url) no-repeat fixed center;
background-size: cover;
/*-webkit-font-smoothing: unset;*/
}
#banner {
background: url('')!important;
background-color: transparent!important;
}
#toc {
background-color: var(--board-bg-color);
padding: 20px 10px 20px 20px;
border-radius: 10px;
}
#board {
backdrop-filter: blur(5px);
-webkit-backdrop-filter: blur(5px);
/* background-color: #3337 !important;*/
}
. ...