pre.line-numbers {
  position: relative !important;
  padding-left: 3.8em !important;
  counter-reset: linenumber;
}

pre.line-numbers > code {
  position: relative;
}

.line-numbers .line-numbers-rows {
  position: absolute;
  pointer-events: none;
  top: 0;
  font-size: 100%;
  left: -3.8em;
  width: 3em; /* works for line-numbers below 1000 lines */
  letter-spacing: -1px;
  border-right: 1px solid #999;
  user-select: none;

}

.line-numbers-rows > span {
  pointer-events: none;
  display: block;
  counter-increment: linenumber;
}

.line-numbers-rows > span:before {
  content: counter(linenumber);
  color: #999;
  display: block;
  padding-right: 0.8em;
  text-align: right;
}

/* line-highlight */
pre[data-line] {
  position: relative;
  padding: 1em 0 1em 3em !important;
}

.line-highlight {
  position: absolute;
  left: 0;
  right: 0;
  /* padding: inherit 0; */
  /* margin-top: 1em; Same as .prism’s padding-top */

  background: hsla(24, 20%, 50%,.08);
  background: linear-gradient(to right, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0));

  pointer-events: none;

  line-height: inherit;
  white-space: pre;
}

.line-highlight:before,
.line-highlight[data-end]:after {
  content: attr(data-start);
  position: absolute;
  top: .4em;
  left: .6em;
  min-width: 1em;
  padding: 0 .5em;
  background-color: hsla(24, 20%, 50%,.4);
  color: hsl(24, 20%, 95%);
  font: bold 65%/1.5 sans-serif;
  text-align: center;
  vertical-align: .3em;
  border-radius: 999px;
  text-shadow: none;
  box-shadow: 0 1px white;
}

.line-highlight[data-end]:after {
  content: attr(data-end);
  top: auto;
  bottom: .4em;
}