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H2 Example - Parent Child
Compound rules in CSS enable specific styling of elements based on their hierarchical relationships or context. By targeting `h2` elements within different sections (`header`, `main`, `footer`), you can apply unique styles to each, enhancing visual hierarchy and design coherence.
h2 {
font-weight: 100;
font-size: 4em;
}
header h2 {
font-weight: 900;
font-size: 4em;
color: brown;
font-style: italic;
}
main h2 {
font-weight: 100;
font-size: 2em;
color: darkorange;
}
footer h2 {
font-weight: 300;
font-size: 1em;
color: aliceblue;
}
About Compound Rules
Creating compound CSS rules allows for tailored styling within different sections of a webpage, such as `header`, `main`, `aside`, and `footer`. This specificity enhances the design and functionality of each section.
HTML symbols, also known as character entities or HTML entities, are special codes used to represent characters that have special meanings in HTML or characters that cannot be easily typed on a keyboard. These symbols are represented by a combination of characters preceded by an ampersand and followed by a semicolon.
HTML symbols are used for various purposes:
1. Displaying Special Characters:
Some characters, such as the left and right bracket and the ampersand, are reserved characters in HTML and have special meanings. Using their corresponding HTML entities ensures they are displayed as literal characters rather than interpreted as part of HTML code.
2. Displaying Non-ASCII Characters:
HTML entities are used to display characters that are not present on standard keyboards or are not directly supported by the character encoding used by the web page.
3. Accessibility:
HTML symbols can be used to improve accessibility by providing alternative text for images or symbols that may not be readable by screen readers. For example, img src="icon.png" alt="Menu icon" can be used to provide alternative text for an image of a menu icon.
4. Mathematical Symbols:
HTML entities include symbols commonly used in mathematics and science, such as Greek letters alpha, beta, etc., mathematical operators minus, times, etc., and other symbols pi, Delta, etc.
5. Emoji:
entities can also represent emojis, allowing them to be displayed on web pages. For example, (ampersand)#x1F601; represents the grinning face emoji 😁.
In summary, HTML symbols are special codes used to represent characters in HTML documents, providing a way to display special characters, non-ASCII characters, mathematical symbols, emojis, and improve accessibility. They are crucial for ensuring correct rendering and interpretation of text on web pages.
The `span` tag is useful for applying specific styles within text blocks, such as paragraphs. This flexibility is crucial for individualizing parts of your content without altering the overall block structure.
The `span` tag, paired with CSS, offers granular control over the styling of specific text segments within a paragraph or other text block.
For example:
p span {
font-family: your choice here;
font-size: your choice here;
font-weight: your choice here;
color: your choice here;
}
Stylized links, including `a:visited`, `a:hover`, and `a:active`, are part of CSS (Cascading Style Sheets) selectors that allow web developers to customize the appearance of links on their websites. Let's break down each one:
1. `a:visited`: This selector targets links that have been visited by the user. When a user clicks on a link and visits the corresponding page, the link's style changes according to the CSS rules defined for `a:visited`. This is useful for providing visual feedback to users about which links they have already visited.
2. `a:hover`: This selector targets links when the user hovers over them with their mouse cursor. It allows developers to define styles that are applied specifically when the user hovers over a link. This can include changes in color, underline, background color, etc., providing interactive feedback to users as they interact with the links on the webpage.
3. `a:active`: This selector targets links when they are being activated, typically when the user clicks on them. The `:active` state occurs between the time the user clicks on the link and the time the browser finishes loading the linked page. Developers can use this selector to provide immediate visual feedback to users when they click on a link, indicating that the link is being activated.
This is an example of how it would appear in your code:
css
/* Styling visited links */
a:visited {
color: purple; /* Example: changing the color to purple for visited links */
}
/* Styling links on hover */
a:hover {
text-decoration: underline; /* Example: underlining the link on hover */
color: blue; /* Example: changing the color to blue on hover */
}
/* Styling active links */
a:active {
color: red; /* Example: changing the color to red for active links */
}
In the above CSS code:
- `a:visited` changes the color of visited links to purple.
- `a:hover` underlines the link and changes its color to blue when hovered over.
- `a:active` changes the color of the link to red when it is clicked.
You can adjust these styles according to your design preferences by changing properties like `color`, `text-decoration`, `background-color`, etc., to achieve the desired visual effect for your links. These styles can be applied either globally in your CSS file or targeted to specific elements or classes as needed.