User:Michel W/Self-learning: Difference between revisions
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===⊹Conflict Resolution=== | ===⊹Conflict Resolution=== | ||
* Origin precedence: | * Origin precedence: Last declaration wins | ||
* Inheritance: DOM Tree | * Inheritance: DOM Tree | ||
* Specificity: ''' | * Specificity: Most '''specific''' selector combination wins | ||
(Score) 1. '''Style'''="..." 2. '''ID''' 3. '''Class''', pseudo-class, attribute 4. # of '''Elements''' | (Score) 1. '''Style'''="..." 2. '''ID''' 3. '''Class''', pseudo-class, attribute 4. # of '''Elements''' |
Revision as of 15:56, 30 December 2023
⭑HTML⭑
⊹Well chosen content of H1 element is crucial to SEO.
Html Entities
- Help avoid rendering issues
- Safeguard against more limited character encoding
- Provide characters not available on a keyboard
Instead of | < | > | & |
Use: | < ; | > ; | & ; |
Use nbsp;
HTML document ALWAYS appear together on 1 line
After the 1st word and after the 2nd word (with no spaces in between words and entity references)
⊹Option + Command + I --- Google Chrome
⭑CSS⭑
⊹Syntax simple CSS selectors
- Element
- class (define with .)
- id (define with #)
⊹Combining Selectors:
- Element with class selectors (selector.class)
- Child (direct) selector (selector > selector)
- Descendant selector (selector selector)
-Didn't cover:
- Adjacent sibling selector (selector + selector)
- General sibling selector (selector ~ selector)
⊹Pseudo-Class Selector
- : link
- : visited
- : hover
- : active
- : nth-child
<link ref="stylesheet" href="style.css">
⊹Conflict Resolution
- Origin precedence: Last declaration wins
- Inheritance: DOM Tree
- Specificity: Most specific selector combination wins
(Score) 1. Style="..." 2. ID 3. Class, pseudo-class, attribute 4. # of Elements
⊹Styling Text
.style { font-family: Arial, Helvetica, sans-serif; color: #0000ff; font-style: italic; font-weight: bold; font-size: 24px; text-transform: uppercase; text-align: center; }