CSS Live Editing Editor Snippet
You might have generally monitored how the changes that you make in the HTML or CSS file reflect in the actual web browser window devoid of you having to refresh the web page manually. Here comes CSS Live Editing tool. Any kind of changes that you make will reflect directly in the web browser and the affected area is most likely to be highlighted.
You can merely edit the above code and have a glance at how the update will look like.