I'm trying to change the css properties of the tooltip css in Joomla 3.9. That is, when you hover over a text-label and a description appears right to it. I can't find the corresponding css class, not even with "force state: hover" in the browsers inspector tools. Does anyone know how to do it?

Edit: Please see this image.

The mouse hovers over label "Name *" and tooltip appears on the right

The mouse hovers over label "Name *" and Tooltip appears on the right. I want to give a background-color to the tooltip.

  • I edited my initial question. – Benjamin Röhling Feb 7 at 4:02
  • Where are you that you don't have the classic tooltip graphic? imgur.com/a/xDptjFs Can you show us how to recreate your issue? Also, please take the tour. – mickmackusa Feb 7 at 4:14
  • I took the tour. My template comes from a template generator. It was like this when I installed it. I would like to know what class the tooltip uses so that I can rewrite that class but 1) the tooltip class isn't shown in my inspector because it's a :hover pseudo-class. 2) forcing :hover state "on" in the inspector doesn't work. – Benjamin Röhling Feb 7 at 4:25

The problem was: The Tooltip didn't have the styling I wanted. The quest was: To know the tooltip css class to be able to alter it. The solution: I googled the internet for the tooltip css class (the jquery suggestion didn't work for me) and altered the .popover class (tooltip) so that it looks the way I wanted.

CSS added: to templates/$template_name$/style.css

.popover {
    background-color: white;
    border: 2px solid #A10C27;
    border-radius: 5px;
    padding: 5px;
    width: 500px;

Resulting Image on the Website:

enter image description here


The base HTML generated by Bootstrap tooltips looks like this:

<div class="tooltip">
    <div class="tooltip-arrow"></div>
    <div class="tooltip-inner"></div>

Once triggered, outer div also receives position classes (top, bottom, left or right) as well as fade and in:

<div class="tooltip fade top in">
    <div class="tooltip-arrow"></div>
    <div class="tooltip-inner">Tooltip Text</div>

I can't find the corresponding css class, not even with "force state: hover" in the browsers inspector tools.

Changing state in inspector does not trigger JavaScript. Instead, you can enter this into console to show the tooltip:


Where #example is the selector of the element containing the tooltip. When you run this code, the tooltip will be generated and its markup will appear in inspector.

  • The ID and the Class jQuery('#jform_title-lbl').tooltip('show'); and jQuery('.hasPopover.required').tooltip('show'); don't get what I want. The Popover doesn't show up. – Benjamin Röhling Feb 7 at 11:05

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