You have to use CSS and border property to set div border in HTML.
Explicit about all the border properties. Like width, type and color.
Shorthand
border:1px solid black;Note: Browsers don’t set the width or color to a default you’d expect.
Example of How to set div border in HTML
It’s an inline CSS example you can do it with Internal or External CSS, using id or class.
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<div id="divActivites" name="divActivites" style="border:1px solid black;">
<textarea id="inActivities" name="inActivities" style="border:2px solid green;">
</textarea>
</div>
</body>
</html>
Output:
Another way you can use it:
border-width:2px;
border-style:solid;
border-color:black;How to add a border to a div
Use CSS border properties and specify the style, width, and color of an element’s border.
border:1px solid black;Do comment if you have any doubts and suggestions on this topic.
Note: The All HTML Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version