Changing Css value with jquery
You can change css value with jquery an example of this is below, you can change any css value with jquery so chnage it according to your need.
HTML
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<p id="marker_54">
Testing
</p>
CSS
.content{background:#ccc;}
JavaScript
document.getElementById('marker_54')[0].style.backgroundColor = 'blue';