CSS Filters and Hacks Compatibility Table
Featured Snippet Summary: CSS filters and hacks are essential techniques used by frontend developers to ensure consistent styling across different web browsers. By leveraging specific browser parsing quirks, you can target older browsers like Internet Explorer (IE), Netscape, and Opera with customized CSS rules. The comprehensive compatibility table below outlines which browsers support various CSS filter methods, allowing you to selectively apply styles and fix cross-browser rendering bugs without breaking standard compliant browsers.
Understanding CSS Filters and Cross-Browser Hacks
In the early days of web development, ensuring a uniform look and feel across all browsers was a monumental challenge. Different rendering engines interpreted CSS properties differently, leading to broken layouts and inconsistent typography. To combat this, web designers developed clever techniques known as CSS filters or CSS hacks.
These techniques exploit known parsing bugs in specific browsers. When a browser encounters a CSS rule it doesn't understand or parses incorrectly, it typically ignores it. By carefully constructing rules that are valid for some browsers but invalid or misunderstood by others, developers can selectively apply styles. For example, the famous Box Model Hack was widely used to correct IE6's flawed calculation of element widths and heights.
While modern browsers are much more compliant with web standards, making many of these hacks obsolete, understanding them remains crucial for maintaining legacy systems or supporting specialized enterprise environments that still rely on older browser versions. The table below serves as a definitive reference guide for the most common CSS filters and their compatibility across various operating systems and browser versions.
Detailed Browser Compatibility Reference
Our detailed reference table provides a granular breakdown of CSS hack support. It covers major platforms including Windows and Mac OS X, and details compatibility for browsers such as Internet Explorer (IE), Mozilla (Mz), Netscape Navigator (Ns), Opera (Op), Safari (Sf), and OmniWeb (Om). The green 'Y' indicates the hack is successfully parsed and applied by the browser, while the red 'N' indicates it is ignored.
This is a table of CSS filters.| Windows | Mac OS X | Macintosh | Other | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IE | Mz | Ns | Op | iC | IE | Mz | Ns | Om | Op | Sf | IE | Mz | Ns | Op | Ko | ||||||||||||||||||
| 7 | 6 | 5.5 | 5 | 4 | 1 | 7 | 6 | 4 | 8 | 7 | 6 | 5 | 2 | 5 | 1 | 7 | 6 | 4 | 8 | 7 | 6 | 5 | 2 | 5 | 4 | 1 | 7 | 6 | 4 | 6 | 5 | 3 | |
| 7 | 6 | 5.5 | 5 | 4 | 1 | 7 | 6 | 4 | 8 | 7 | 6 | 5 | 2 | 5 | 1 | 7 | 6 | 4 | 8 | 7 | 6 | 5 | 2 | 5 | 4 | 1 | 7 | 6 | 4 | 6 | 5 | 3 | |
| IE | Mz | Ns | Op | iC | IE | Mz | Ns | Om | Op | Sf | IE | Mz | Ns | Op | Ko | ||||||||||||||||||
| Windows | Mac OS X | Macintosh | Other | ||||||||||||||||||||||||||||||
voice-family:"\"}\"";
|
Y | Y | N | N | N | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | N | Y | Y | Y |
p\roperty:value;
|
Y | Y | N | N | N | Y | Y | Y | N | Y | Y | Y | N | N | Y | Y | Y | Y | N | Y | Y | Y | N | Y | Y | N | Y | Y | Y | N | Y | N | N |
/*/*/property:value;/* */
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Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y |
/*/*//*/property:value;/* */
|
N | N | N | N | N | N | N | N | Y | N | N | N | Y | N | N | N | N | N | N | N | N | N | Y | N | N | N | N | N | N | Y | N | Y | N |
div#test
|
Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y |
head:first-child+body div
|
Y | N | N | N | N | Y | Y | Y | N | Y | Y | N | N | N | Y | Y | Y | Y | N | Y | Y | N | N | Y | Y | N | Y | Y | Y | N | N | N | Y |
body>div
|
Y | N | N | N | N | Y | Y | Y | N | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y |
html[xmlns] div
|
Y | N | N | N | N | Y | Y | Y | N | Y | Y | Y | Y | N | N | Y | Y | Y | N | Y | Y | Y | Y | Y | N | N | Y | Y | Y | N | Y | Y | Y |
@import 'styles.css'
|
Y | Y | Y | Y | N | Y | Y | Y | N | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | N | Y | Y | Y | N | Y | Y | Y |
@import "styles.css"
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Y | Y | Y | Y | N | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | N | Y | Y | Y |
@import url(styles.css)
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Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y |
@import url('styles.css')
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Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | N | Y | Y | Y | N | Y | Y | Y |
@import url("styles.css")
|
Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y |
@import "null?\"\{";
|
Y | Y | Y | N | N | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | N | Y | Y | Y |
@media all{/* rules */}
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Y | Y | Y | Y | N | Y | Y | Y | N | Y | Y | Y | Y | N | N | Y | Y | Y | N | Y | Y | Y | Y | Y | N | N | Y | Y | Y | N | Y | Y | Y |
<link media="all">
|
Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y |
<link media="All">
|
Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y |
* html div
|
N | Y | Y | Y | Y | N | N | N | N | N | N | N | N | N | Y | N | N | N | N | N | N | N | N | N | Y | Y | N | N | N | N | N | N | N |
*+html div
|
Y | N | N | Y | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
i{content:"\"/*"}
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Y | Y | N | N | N | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | N | Y | Y | N |
/* \*/
|
Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y |
html*#test
|
Y | Y | Y | N | N | Y | Y | Y | N | N | N | N | N | N | Y | Y | Y | Y | N | N | N | N | Y | Y | Y | N | Y | Y | Y | N | ? | Y | N |
_property:value
|
N | Y | Y | Y | Y | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | Y | Y | N | N | N | N | N | N | N |
*property:value
|
Y | Y | Y | Y | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
@media tty {
|
N | N | Y | Y | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
@media tty {
|
N | N | N | Y | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
@media tty {
|
N | N | Y | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
/*\*//*/
|
N | N | N | N | N | N | N | N | N | N | N | N | N | N | Y | N | N | N | N | N | N | N | N | N | Y | N | N | N | N | N | N | N | N |
Frequently Asked Questions (FAQ)
What are CSS filters?
CSS filters (or hacks) are coding techniques used to target specific web browsers by exploiting their parsing bugs. This allows developers to apply custom styles only to the browsers that need them, ensuring consistent layouts across different platforms.
Are CSS hacks still necessary today?
With the advent of modern, standards-compliant browsers like Chrome, Firefox, and Edge, the need for CSS hacks has significantly diminished. However, they are still useful when maintaining legacy websites or when providing fallback support for very old browsers.
What is the Box Model Hack?
The Box Model Hack is a famous CSS trick used to fix the way older versions of Internet Explorer (specifically IE5 and IE5.5) incorrectly calculated the total width and height of an element, which deviated from the W3C standard box model.