blear.ui.code-highlight/src/features/line-numbers.css

代码高亮，基于 prism@1.17.1

.prism_lineNumbers {
  counter-reset: linenumber; }
  .prism_lineNumbers code {
    margin-left: 24px; }

.prism-lines {
  position: absolute;
  pointer-events: none;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  padding-top: 20px;
  letter-spacing: -1px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none; }
  .prism-lines:after {
    position: absolute;
    content: "";
    top: 0;
    left: 34px;
    bottom: 0;
    width: 1px;
    background: #999999; }

.prism-line {
  pointer-events: none;
  display: block;
  counter-increment: linenumber; }
  .prism-line:before {
    content: counter(linenumber);
    color: #999;
    display: block;
    width: 24px;
    text-align: right; }