.res-css-background-probe {
  background-image: url('/assets/res/css-bg/sequence-bg.png');
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.res-css-pseudo-probe::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 1px;
  background-image: url('/assets/res/css-bg/css-pseudo-bg.png');
  background-size: cover;
}
@font-face {
  font-family: 'NBProbeFont';
  src: url('/assets/res/font/nb-probe.woff2') format('woff2');
}
.res-font-probe { font-family: 'NBProbeFont', monospace; }