Attempting to style the <img> tag with CSS, however, no changes are being applied

I have implemented expand/collapse functionality to a table using jQuery and I am now working on adjusting the button positioning with CSS. However, I am having trouble targeting the img element.

Take a look at this snippet from my code:

<body>
 <h1>Outstanding repairs assigned to me</h1>
  <table class="sortable paginated collapsible">
   <thead>
   </thead>
   <tbody id="emergency">
    <tr>
     <th colspan="7">
      Emergency
       <img class="alignment clickable" src="../repair_system/media/minus.png" alt="Collapse this section"/>
     </th>

Here is the first entry in my CSS file:

.alignment {
    border:7px solid black;
 }

The page is applying the 'clickable' class correctly, but it seems to be ignoring the 'alignment' class. Even Firebug does not show the 'alignment' class in the CSS styles pane.

Is there something obvious that I might have overlooked?

jquerycssimage

Answer №1

After reviewing the snippet you shared (with slight modifications to include CSS and link to a different image), I can confirm that it functions correctly on various browsers. Therefore, it appears that the issue lies in another part of your code. I recommend simplifying the code to a small snippet that highlights the problem; through this process, you may identify the problem on your own.

Answer №2

Did you experiment with including the !important statement in your CSS to determine if it is potentially being overridden by other styles?

.text-align {
    border:5px solid blue !important;
 }

Answer №3

Could you please let me know which browser you are using and whether it is in quirks mode or not? More information on quirks mode can be found here.

I also had success with the snippet by inlineing the CSS.

To inline CSS, simply place it between <style></style> tags. It's best to include this within the header of your HTML document.

Answer №4

In my recollection, older versions of IE would always display images with a border when linked. To remove this border, you had to manually set the style to have no border.

It seems like jQuery may attempt to solve this issue by automatically setting the image border to 0px. You can try to override this by directly setting the style in the img tag:

<img style="border:7px solid black"  ... > ...

This should take precedence over any other styles affecting the image.

I understand that setting the style in this manner is not considered best practice, but it could be useful for debugging purposes. If it works, then you'll know that another style is overriding your own definition.

By the way, using FF plugins like "web developer" can also be helpful. Some tools are available that can reveal the source of style definitions for specific elements.

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