TV-Screen shape created only with a DIV tag and CSS properties.
<style type="text/css">
#tvscreen {
 position: relative;
 width: 200px;
 height: 150px;
 margin: 20px 10px;
 background: #0809fe;
 border-radius: 50% / 10%;
 color: white;
 text-align: center;
 text-indent: .1em;
#tvscreen:before {
 content: "";
 position: absolute;
 top: 10%;
 bottom: 10%;
 right: -5%;
 left: -5%;
 background: inherit;
 border-radius: 5% / 50%;

<div id="tvscreen"></div>

Daily Test with Code Example

Which tag renders as emphasized text, displaying the text oblique?
<strong> <pre> <em>
<p>Web development courses: <em></em></p>
Which CSS property defines the space between the element border and its content?
margin padding position
h3 {
  padding: 2px 0.2em;
Click on the method which returns the first element that matches a specified group of selectors.
getElementsByName() querySelector() querySelectorAll()
// gets first Div with class="cls", and shows its content
var elm = document.querySelector("div.cls");
Indicate the PHP variable that contains data from a form sent with method="post".
if(isset($_POST["field"])) {
  echo $_POST["field"];
TV-Screen shape with CSS

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