Overriding Styles Set by an External CSS file

Let's assume that I have two different style sheets set up on my webpage:

  • site.css:

    .modal {
    position: absolute;
    width: 200px;
    ...
}

...

  • reset.css:

    .reset * {
    position: static;
    width: auto;
    ...
}

Unfortunately, I don't have the ability to alter the reset.css stylesheet. Now, imagine that the entire content of my page is enclosed in a div element with a "reset" class assigned to it. Within this div block, there is a need for a specific code block to override the styles applied by the "reset" class.

For instance, if a modal dialog with the class "modal" needs to be positioned absolutely and have a width of 200px, how can this be achieved without duplicating the styles already defined? One solution I've considered is using JavaScript (potentially with jQuery). If anyone has insight or sample code to help me solve this issue, it would be greatly appreciated.

javascriptjquerycss

Answer №1

Dynamic inline css can be easily applied using JavaScript. Start by storing the 'dialog element' in a variable, for example, myDialogElement. Next, use this code snippet:

myDialogElement.style.position='absolute';
myDialogElement.style.width='200px';

Answer №2

To customize the styles in your website, you can override the styles defined in reset.css with your own styles in site.css. Only include the styles that you want to change, as the rest will remain unaffected. There are a couple of methods you can use:

  1. Using !important

.header{ font-size:16px; } /* defined in reset.css */

.header{ font-size:20px !important; } /* customized in site.css */

  1. Increase specificity

p{ color:black; } /* reset.css */

div p{ color:red; } /* site.css */

If possible, increasing specificity is generally the preferred method, but using !important can also achieve the desired outcome. For more information on CSS specificity, refer to the MDN documentation.

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