To can center a fixed or absolute positioned element (Div or other block element), set the right and left CSS properties to 0, and then margin-left and margin-right to auto, as if you were centering a static positioned element.
- Example, centering a fixed Div:
<style type="text/css">
#divid {
  position: fixed;
  /* center the element */
  right: 0;
  left: 0;
  margin-right: auto;
  margin-left: auto;
  /* give it dimensions */
  min-height: 8em;
  width: 90%;
  background: #dafeda;
}
</style>

<div id="divid">https://CoursesWeb.net/</div>
- Example, centering an absolute positioned Div (the parent element must have: position: relative):
<style type="text/css">
#parent{
 position:relative;
 height:8.5em;
}
#divid {
  position: absolute;
  /* center the element */
  right: 0;
  left: 0;
  margin-right: auto;
  margin-left: auto;
  /* give it dimensions */
  min-height: 8em;
  width: 90%;
  background: #dafeda;
}
</style>

<div id="parent">
  <div id="divid">https://marplo.net/jocuri</div>
</div>
Demo:
https://CoursesWeb.net/

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which tag create a highlighted bolded text?
<q> <strong> <em>
<p>Address: <strong>http://CoursesWeb.net/</strong> - Tutorials.</p>
Which of these CSS codes displays the text bolded?
text-size: 18px; font-style: italic; font-weight: 800;
#id {
  font-weight: 800;
}
What JavaScript function can be used to call another function multiple times, to a specified time interval?
setInterval() setTimeout() push()
function someFunction() { alert("CoursesWeb.net"); }
setInterval("someFunction()", 2000);
Click on the correctly defined variable in PHP.
var vname = 8; $vname = 8; $vname == 8;
$vname = 8;
echo $vname;
Center Fixed and Absolute element

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