How do you change the style of a div programmatically

Try this: in the .aspx file put thees lines

<div id="myDiv" runat="server">
    Some text
</div>

then you can use for example

myDiv.Style["color"] = "red";

If you want to alter the color of the div with client side code (javascript) running in the browser, you do something like the following:

<script>
 var fooElement = document.getElementById("foo");
 fooElement.style.color = "red"; //to change the font color
</script>

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