It also removes old, unnecessary prefixes from your CSS. Autoprefixer automatically adds vendor prefixes to your CSS so that you don't need to. Many developers use Autoprefixer, which is a postprocessor for CSS. Also, W3C advises vendors to remove their prefixes for properties that reach Candidate Recommendation status.
The major browser manufacturers generally strive to adhere to the W3C specifications, and when they support a non-prefixed property, they typically remove the prefixed version. This practice is not recommended by the W3C, however in many cases, the only way you can test a property is to include the CSS extension that is compatible with your browser. As with any CSS property, if a browser doesn't support a proprietary extension, it will simply ignore it.
Vendor Prefixesįor maximum browser compatibility many web developers add browser-specific properties by using extensions such as -webkit- for Safari, Google Chrome, and Opera (newer versions), -ms- for Internet Explorer, -moz- for Firefox, -o- for older versions of Opera etc. The following table provided by shows the level of browser support for this feature.
In other words, it sets all properties to their parent value if they are inheritable or to their initial value if not inheritable. unset This value acts as either inherit or initial, depending on whether the property is inherited or not. inherit Represents the computed value of the property on the element's parent. In addition, all CSS properties also accept the following CSS-wide keyword values as the sole component of their property value: initial Represents the value specified as the property's initial value. Up to four values per side are accepted (i.e. The values on the right side of the forward-slash determine the vertical radius. The values on the left side of the forward-slash determine the horizontal radius. To set a different radius for horizontal vs vertical, use a forward-slash to separate them ( / ).If top-right is omitted it will be the same as top-left. If the value for bottom-right is omitted it will be the same as the value for top-left. If the value for bottom-left is omitted it will be the same as the value for top-right. The values must be provided in the following order: top-left, top-right, bottom-right, and bottom-left.If you provide only one value, it will determine the radius of all four corners - both the horizontal radius and the vertical radius.
You can provide between one and eight values. Specifies the radius using a percentage value, for example, 10%. ]? Explanation of the Values Specifies the radius using a fixed length, for example, 10px.
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