HTML5: How to specify that the details should be visible to the user?

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Solution :

HTML Code :

<!DOCTYPE html>
  <meta charset="utf-8">
  <title>How to specify that the details should be visible to the user</title>
<details open>  
<summary>PHP is a server side scripting language</summary>  
<p>PHP is a general-purpose server-side scripting language originally designed for web development to produce dynamic web   
pages. For this purpose, PHP code is embedded into the HTML source document and interpreted by a web server with a PHP   
processor module, which generates the web page document.</p>
  <p><strong> Note:</strong>The open attribute is a boolean attribute.</p>

Live Demo :

See the Pen details-open-answer by w3resource (@w3resource) on CodePen.

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HTML-CSS: Tips of the Day

Should I size a textarea with CSS width / height or HTML cols / rows attributes?

I recommend to use both. Rows and cols are required and useful if the client does not support CSS. But as a designer I overwrite them to get exactly the size I wish.

The recommended way to do it is via an external stylesheet e.g.

HTML Code:

<textarea> </textarea> 

CSS Code:

textarea {
  width: 300px;
  height: 150px;

Live Demo:

See the Pen html css common editor by w3resource (@w3resource) on CodePen.