The rules for prioritizing CSS selectors

Question

The rules for prioritizing CSS selectors

Struggling with CSS selector rules and specificity? I've already checked this for specifics. Even tried using firebug and inspecting elements in Chrome to copy the CSS path, but still can't get it to work. This is my first time creating a website, so any constructive feedback is welcome. Below is the code for the page I'm attempting to modify.

#page-content-wrapper > div > div > center > h1 > font {
color: red;
}

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8>
...
</footer>
            </div>
        </div>

    </div>
</div>

In the main code you should see Home bolded and in italic (it is under webpage begins). That is what I am trying to change with CSS.

html css twitter-bootstrap

Answer 1

Answer №1

The use of the <font> and <center> elements has been outdated and is no longer recommended.

If we remove all unnecessary and deprecated code, we are left with a simple structure like this:

<div id="page-content-wrapper">
  <div class="container-fluid">
    <div class="row">
        <h1 class="heading">Home</h1>
    </div>
  </div>
</div>

In this case, the following selector:

#page-content-wrapper > div > div > h1.heading {
text-align: center; /* centers the text */
font-style: italic; /* sets it to italic */
color: red; /* changes color to red */
}

should suffice unless there are other considerations that we are not aware of.

Additional "bolding" is unnecessary as heading tags are already bold by default.

Codepen Demo

Note: This selector is very specific, so a more generic approach may be preferable depending on whether the style will be applied to other headings/elements across different sections of the page.

Answer 2

The use of the <font> and <center> elements has been outdated and is no longer recommended.

If we remove all unnecessary and deprecated code, we are left with a simple structure like this:

<div id="page-content-wrapper">
  <div class="container-fluid">
    <div class="row">
        <h1 class="heading">Home</h1>
    </div>
  </div>
</div>

In this case, the following selector:

#page-content-wrapper > div > div > h1.heading {
text-align: center; /* centers the text */
font-style: italic; /* sets it to italic */
color: red; /* changes color to red */
}

should suffice unless there are other considerations that we are not aware of.

Additional "bolding" is unnecessary as heading tags are already bold by default.

Codepen Demo

Note: This selector is very specific, so a more generic approach may be preferable depending on whether the style will be applied to other headings/elements across different sections of the page.

Answer 3

Answer №2

There seems to be an abundance of content.

An excess of obsolete elements can be found. The use of <center> and <font> elements is unnecessary.

Overly detailed specificity may also be observed. It should be enough to style with #page-content-wrapper h1 { ...}.

Answer 4

There seems to be an abundance of content.

An excess of obsolete elements can be found. The use of <center> and <font> elements is unnecessary.

Overly detailed specificity may also be observed. It should be enough to style with #page-content-wrapper h1 { ...}.

Answer 5

Answer №3

Here are some helpful tips:

Avoid using the font element
If you want to change the bold and italic styles, use the following CSS rules
```
element.style {
    font-style: normal;
    font-weight: normal;
}
```
To increase CSS specificity, consider using the !important keyword in your style declarations like this
```
element.style {
    font-style: normal !important;
    font-weight: normal !important;
}
```

EDIT According to MDN:

Prioritize specificity over using !important

Reserve !important for page-specific styles that need to override global or external styles (such as from ExtJs or YUI)

Avoid using !important for plugins or mashups

Avoid using !important in site-wide styles

Consider these selectors in increasing order of specificity:

Universal selectors (e.g., *)
Type selectors (e.g., h1)
Class selectors (e.g., .example)
Attribute selectors (e.g., [type="radio"])
Pseudo-classes (e.g., :hover)
ID selectors (e.g., #example)
Inline styles (e.g., style="font-weight:bold")

Answer 6

Here are some helpful tips:

Avoid using the font element
If you want to change the bold and italic styles, use the following CSS rules
```
element.style {
    font-style: normal;
    font-weight: normal;
}
```
To increase CSS specificity, consider using the !important keyword in your style declarations like this
```
element.style {
    font-style: normal !important;
    font-weight: normal !important;
}
```

EDIT According to MDN:

Prioritize specificity over using !important

Reserve !important for page-specific styles that need to override global or external styles (such as from ExtJs or YUI)

Avoid using !important for plugins or mashups

Avoid using !important in site-wide styles

Consider these selectors in increasing order of specificity:

Universal selectors (e.g., *)
Type selectors (e.g., h1)
Class selectors (e.g., .example)
Attribute selectors (e.g., [type="radio"])
Pseudo-classes (e.g., :hover)
ID selectors (e.g., #example)
Inline styles (e.g., style="font-weight:bold")

The rules for prioritizing CSS selectors

Answer №1

Answer №2

Answer №3

Similar questions

Utilize a component's CSS styles by inheriting them and applying them to another component

The clear function in the template slot of Vue multiselect is not functioning properly

Is there a way to switch out the navigation icons on the react-material-ui datepicker?

HTML forms are larger in size on web pages than in Internet Explorer

How to implement multiple conditions with ng-if in HTML

Stack 2 cards inside a DIV vertically using Materialize CSS

Utilizing the power of SimpleHTMLDom to retrieve high-resolution images through an advanced Google search

How to insert text into a text input using onKeyPress in react.js

If the td element contains text, add a comma (,) and wrap the text in HTML tags. If there

Resolving Div Alignment Issues in Internet Explorer with jQuery CSS AddClass and RemoveClass

Creating a QR code using base64 in PHP and HTML

Tips for managing CSS/style conflicts in JavaScript/AngularJS applications

I want to create a feature in Angular where a specific header becomes sticky based on the user's scroll position on the

Guide to applying conditional styling to Material-UI TextField

What could be causing the whitespace around this element when using SASS from Refills / Bourbon.io?

When invoking the jQuery ".load('pageName')" method, HTML pages are not loaded from the application cache

"Defining a CSS class specifically for styling the span element nested within an

Building an Angular 4 app featuring a customized default landing page and URL parameters functionality

Tips for creating a dynamic menu with animated effects

Learn how to use AJAX to automatically retrieve the contents of a file