查看“MediaWiki:Gadget-Highlight.css”的源代码

pre.highlight {
  font-size: 1rem;
  line-height: 1.4;
  padding: .85em;
  word-wrap: normal;
  word-break: break-all;
  white-space: pre;
  overflow-x: auto;
}
pre.highlight.linenums {
  padding: 0;
  position: relative;
}
pre.highlight.linenums .line-container {
  position: relative;
}
pre.highlight.linenums .line-container .line-content {
  position: relative;
  width: calc(100% - 3em);
  left: 3em;
  overflow-x: auto;
}
pre.highlight.linenums .line-content .line-row {
  padding: 0;
  margin: 0;
}
pre.highlight.linenums .line-content .line-row::after {
  /* 行末添加不换行空格，保证空 div 的高度 */
  content: "\a0";
}
pre.highlight.linenums .line-ping {
  background: #fbe7b2;
}
pre.highlight.linenums .line-numbers .line-ping {
  font-weight: bold;
}
pre.highlight.linenums .line-container .line-numbers {
  position: absolute;
  pointer-events: none;
  user-select: none;
  top: 0;
  left: 0;
  width: 3em;
  padding: 0;
  margin: 0;
  text-align: center;
}
pre.highlight.linenums .line-container .line-numbers .line-number-block {
  color: #a0a0a0;
}