What causes an internal stylesheet with class selectors to be overridden by an external stylesheet?

Incorporating an external stylesheet has greatly improved the appearance of forms in our project by applying rules to labels. The styles used are as follows...

label { display:block; font-weight:bold; margin:7px 0; }
/* Additionally, for testing purposes, I included the following snippet.
label { color:gold; }

On a separate internal stylesheet utilized for an iframe (with similar results on a standard ColdFusion page), there are specific rules set for labels with the class of error.

label.error { display:inline; 
              color:red; 
              float:none; 
              padding-left:.5em; 
              vertical-align:top; }

Currently, these error labels are hidden by jQuery's validation plugin (available at ). When a form field fails validation, the labels become visible. All styles function correctly except for the display property when the label is shown.

Contrary to initial assumptions, the issue does not stem from label.error failing to override existing rules, as demonstrated in the original post.

The struggle to set the display property properly remains unresolved and any assistance would be greatly appreciated!

Thank you,

An Exasperated Developer

UPDATE: This dilemma was resolved by my supervisor, who advised me to make my CSS more specific. By directly targeting the exact label selector from the parent stylesheet and adding the class selector to it, along with necessary modifications and additions, the problem was addressed. For further insight, consider researching resources on CSS inheritance.

Answer №1

In my opinion, the reason behind this behavior could be related to how jQuery handles the display properties when using methods like fade or show. jQuery has its own way of managing visibility, so instead of using .show(), you may want to consider using .css({display : 'inline'}); to ensure the element becomes visible again.

To confirm if this explanation is accurate, inspect the CSS styles applied to the label element after it has been made visible by your script using tools like Firebug.

If you provide a jsfiddle link or share some code samples, the community can offer better insights into what might be causing the issue.

Answer №2

After analyzing the situation, it appears that the jQuery validation plugin may be manipulating the display property of the element, which could be conflicting with your existing CSS rules.

One potential workaround is to include !important at the end of the display rule in your CSS file. While this solution may seem a bit cumbersome, it might help bypass the issue. Alternatively, you may want to consider exploring other ways to collaborate with jQuery.validate rather than trying to counteract its behavior. Ultimately, the decision is yours to make :)

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