pre {
  position: relative;
}
.hljsln {
  display: block;
}
.hljsln::-webkit-scrollbar {
  height: 2px;
}
.hljsln::-webkit-scrollbar-thumb {
  background: #666;
}
.hljsln::-webkit-scrollbar-thumb:hover {
  background: #797979;
}
.hljsln::-webkit-scrollbar-thumb:active {
  background: #949494;
}
.hljsln .ln-bg {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 18px;
  height: 100%;
  background: transparent;
}
.hljsln .ln-num {
  /* position: absolute; */
  z-index: 2;
  left: 0;
  width: 18px;
  height: 24px;
  margin-bottom: 8px;
  text-align: center;
  display: inline-block;
  color: #596a8a;
  user-select: none;
}
.hljsln .ln-num::before {
  color: #596a8a;
  content: attr(data-num);
}
.hljsln .ln-num::last-child {
  margin-bottom: 0;
}
.hljsln .ln-eof {
  display: inline-block;
}