Userscript for tampermonkey. This is thema for jenkins console.

thema_for_jenkins_console.js

// ==UserScript==
// @name       jenkins console style
// @namespace  http://use.i.E.your.homepage/
// @version    0.1
// @description change jenkins console style like travis ci
// @match      http://jenkins.../*/console*
// @copyright  2013+
// ==/UserScript==
var lineColor = 'white';
var lineNumberColor = '#999';
var backgroundColor = '#222';
var hiliteColor = '#444';
var url = document.URL;
if (url.match(/.*consoleText$/)) {
    var body = document.getElementsByTagName('body')[0];
    body.style.margin = '0px';
}
var executed = false;
function process() {
    var preTagList = document.getElementsByTagName('pre');
    for (var i = 0; i < preTagList.length; i++) {
        var preTag = preTagList[i];
        if (preTag.id == 'out') {
            continue;
        }
        executed = true;
        preTag.style.background = backgroundColor;
        preTag.style.color = lineColor;
        var textPerLine = preTag.innerHTML.split('\n');
        var consoleLog = '<table style="padding-top: 10px; padding-bottom: 10px; width: 100%">';
        for (var j = 0; j < textPerLine.length; j++) {
            var line = textPerLine[j];
            var lineNumber = j + 1;
            var id = 'L' + lineNumber;
            consoleLog +=
                '<tr id="' + id + '">' +
                  '<td style="padding-left: 10px;">' +
                    '<a href="#' + id + '" style="color: ' + lineNumberColor + '; text-decoration: none;">' + lineNumber + '</a>' +
                  '</td>' +
                  '<td style="color: ' + lineColor + '; padding-left: 10px;">' + line + '</td>' +
                '</tr>';
            // get result
            if (typeof(result) == 'undefined' && line.match(/Tests: \d+(, Assertions: \d+)?(, Failures: \d+)?(, Errors: \d+)?(, Incomplete: \d+)?(, Skipped: \d+)?./)) {
                var result = 'result: ' + line;
            }
            if (line.match(/There.*error(s)?:/)) {
                var errorLineId = id;
            }
            if (line.match(/There.*failure(s)?:/)) {
                var failureLineId = id;
            }
        }
        consoleLog += '</table>';
        if (typeof(result) != 'undefined') {
            if (typeof(errorLineId) != 'undefined') {
                result = result.replace('Errors', '<a href="#' + errorLineId + '" style="color: ' + lineColor + ';">Errors</a>');
            }
            if (typeof(failureLineId) != 'undefined') {
                result = result.replace('Failures', '<a href="#' + failureLineId + '" style="color: ' + lineColor + ';">Failures</a>');
            }
            var resultContent = '<div style="padding: 10px;">' + result + '</div>';
        } else {
            var resultContent = '';
        }
        preTag.innerHTML = resultContent + consoleLog;
    }
}
process();
setInterval(function() {
    if (executed == true) {
        clearInterval(process);
        return;
    }
    process();
}, 10);
document.addEventListener('mouseover', function(e) {
    var parent = e.target.parentElement || e.target.parentNode;
    var id = parent.id;
    if (typeof(id) != 'undefined' && id.match(/L\d+/)) {
    var elem = document.getElementById(id);
    elem.style.background = hiliteColor;
    }
});
document.addEventListener('mouseout', function(e) {
    var parent = e.target.parentElement || e.target.parentNode;
    var id = parent.id;
    if (typeof(id) != 'undefined' && id.match(/L\d+/)) {
    var elem = document.getElementById(id);
    elem.style.background = backgroundColor;
    }
});

Please edit match url before use.