::selection {
    background: rgba(0, 0, 0, 0.46); /* WebKit/Blink Browsers */
  }
  ::-moz-selection {
    background: rgba(0, 0, 0, 0.46); /* Gecko Browsers */
  }

  td.hljs-ln-numbers {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;

    text-align: center;
    color: #414754;
    vertical-align: top;
    padding-right: 12px !important;
}