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CSS Introduction |
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CSS Syntax |
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Specify CSS |
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The CSS Type Selector |
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The CSS Descendant Selector |
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The CSS Child Selector |
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The CSS Class Selector |
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The CSS Id Selector |
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The CSS Element selector |
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CSS Pseudo Class Selectors |
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CSS Pseudo Elements Selectors |
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Other special CSS selectors |
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How to Group CSS Selectors |
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Summery of CSS Selectors |
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Sort out CSS Style for elements |
| CSS Reference | |
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Text types
Table types
Print types
Positioning types
Padding types
Outline types
Margin types
List types
Generated Content
Font types
Dimension types
CSS Pseudo types
Border types
Background types
Aural types
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The CSS reference
"opacity" - css (v. css 3)
- Set the opacity level for a element.
- A value, between '0' and '1' or inherit.
- Initial value: 1
- The is not inherited
- HTML usage: all elements
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Browsers that support the opacity - :
Browser deviation:
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IE8 and earlier versions supports an alternative, the filter property.
Like: filter:Alpha(opacity=20).
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IE8 and earlier versions supports an alternative, the filter property.
div { opacity: 0.7; }"opacity" example:
<!DOCTYPE html>
<html>
<head>
<style>
p {
background-color: red;
opacity: 0.7;
filter: Alpha(opacity=70);
/* IE8 and earlier */
}
</style>
</head>
<body>
<p>This element's opacity is 0.7! Both the text and the background-color are affected by the opacity.</p>
</body>
</html>Javascript access:
// To SET values ([o] is the target object)
[o].style.opacity="0.6"
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