The Hover Effect on HTML Element Not Working on One Side Specifically

Scenario:

Currently, I am working on creating a popover (tooltip) using Bootstrap 3.3.7. In order to achieve this, I have structured my HTML file as follows:

popover {
  margin-left: 100%;
  padding: 5px 11px;
  border: solid 1px;
  border-radius: 25px;
  font-size: 1em;
  cursor: pointer;
  transition: 0.3s;
}

popover:hover {
  border-color: #D83F58;
  color: #D83F58;
}
<!-- Utilizing Bootstrap 3 -->
<link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="fe9c91918a8d8a8c9f8ebecdd0cdd0c9">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet" />


<div class="container">
  <div class="row vcentre-column">
    <div class="col-md-5 hide-if-mobile">
      <div class="author-image">
      
        <!-- =================== -->
        <!-- CRITICAL SECTION HERE -->
        <popover data-target="about-author-image-index">?</popover>
        <!-- CRITICAL SECTION HERE -->
        <!-- =================== -->


        <!--=== Other stuff ===-->
      </div>
    </div>

    <div class="col-md-7">
      <!--=== IMPORTANT: Right column that I'll reference later ===-->
    </div>
  </div>
  <!--/.row-->
</div>
<!--/.container-->

Issue:

While testing the popover tooltip, I noticed that the hover CSS effect was not activating on one side of the element. To better illustrate this problem, here is a GIF demonstrating how the hover effect is not working on the bottom right side of the element: https://i.sstatic.net/qhhau.gif

Desired Outcome:

I am expecting the hover effect to activate anytime my mouse is within the circular border of the element. It should not matter whether my mouse is on the bottom right side or any other side of the element.

Answer №1

Resolution:

Upon observing the webpage, I noticed that the tooltip was being covered by the content of the right column. To address this issue, I utilized Chrome Dev tools to verify the problem. Subsequently, I modified the CSS code by assigning a higher z-index value to the popover element. Additionally, I adjusted the position attribute to relative to ensure that the z-index setting would take effect.

Below is the updated CSS code snippet:

.popover {
  z-index: 10;
  position: relative;
  margin-left: 100%;
  padding: 5px 13px;
  border: solid 1px;
  border-radius: 25px;
  font-size: 1.2em;
  cursor: pointer;
  transition: 0.3s;
}

Furthermore, I have included a GIF to illustrate the initial overlap issue between the right column and the popover, as well as the outcome of implementing the revised CSS code: https://i.sstatic.net/Mk025.gif

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