Arrangement of bootstrap and CSS library in header has an impact on the styling of h3 Tag

After rearranging the order of the online Bootstrap and offline CSS library, I noticed an impact on the h3 element in my HTML document. To further clarify this conflict, let me provide more details.


    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"/>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css"/>
    <link rel="stylesheet" href="http://beautifycodes.com/assets/css/main.css" />

Changing the sequence of these files resulted in the following layout of the HTML document: https://i.sstatic.net/5u0X1.png

If we alter the sequence of the main.css file, both the h3 tag and the logo (which has an h1 tag as well) will exhibit changes in color, font, size, and layout.


    <link rel="stylesheet" href="http://beautifycodes.com/assets/css/main.css" />
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"/>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css"/>

Refer to the screenshot below for visual representation:

https://i.sstatic.net/eC7N2.png

My primary concern is pinpointing where the issue lies: within bootstrap.js, bootsrap.css, or if there's a browser bug at play.

If anyone can provide insight into the root cause of this issue, it would be greatly appreciated.

javascriptcsstwitter-bootstrapbrowserbootstrap-4

Answer №1

Your understanding of CSS seems to be limited at the moment. CSS is interpreted by the browser in a top-to-bottom fashion, making the order of styles important. The default bootstrap file includes predefined styles for the H3 tag. You can also create custom styles for the H3 tag within your own main.css. If you place the bootstrap css file after your main.css file, the browser will first apply your custom H3 styles and then quickly override them with the bootstrap styles. This back-and-forth may result in only seeing the bootstrap styles on the H3 tag. The same process can occur in reverse. This behavior is intentional and fundamental to how CSS functions.

It's worth noting that browsers typically do not make errors when rendering CSS. 😉

Answer №2

Remember that in CSS, the order and importance of attributes can impact how styles are applied to your website. Changing the sequence of your files could result in styles being overwritten by later files.

This behavior is not a flaw but rather a feature of CSS. Factors such as attribute order, specificity (e.g., choosing between a Class or Id), the use of !important, and other considerations determine which style takes precedence. When conflicting attributes exist, the one with greater weight will be enforced.

I hope this explanation clarifies things for you!

Answer №3

It appears that you have implemented a custom CSS file (main.css) to modify the styling of your HTML page. The sequence in which your CSS files are loaded is crucial. Placing your custom CSS file (main.css) at the end will take precedence over other CSS files. If you happen to add another CSS file (such as bootstrap.min.css) after your custom one, it will overwrite your custom styles and produce unexpected results. It's important to note that bootstrap.min.css comes with its own unique style, which could be conflicting with your custom CSS.

Answer №4

From what I gather:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>

It is recommended to place the above script at the beginning, prior to any other javascript code.

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