How can I apply a specific CSS style only to elements within a certain block?
<body>
<p>greem green zero</p>
<span> hello </span>
<div id="main">
...more tags...
</div>
<ul><li>1233</li></ul>
...
</body>
I need to apply the file.css style only to the tags inside the div:id block = "main", without affecting anything outside of this block where there are many other styled elements.
Could using an iframe be a solution?