pre[class*=language-].line-numbers{
    position:relative;
    padding-left:0;
    counter-reset:linenumber
}

pre[class*=language-].line-numbers>code{
    position:relative;
    white-space:inherit
}

.line-numbers .line-numbers-rows{
    position:absolute;
    pointer-events:none;
    top:0;
    font-size:100%;
    left:-7.8em;
    width:3em;
    letter-spacing:-1px;
    border-right:1px solid steelblue;
    -webkit-user-select:none;
    -moz-user-select:none;
    -ms-user-select:none;
    user-select:none
}

.line-numbers-rows>span{
    display:block;
    counter-increment:linenumber
}

.line-numbers-rows>span:before{
    content:counter(linenumber);
    color:steelblue;
    display:block;
    padding-right:.8em;
    text-align:right
}