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[html5]css透明度的范例兼容所有浏览器的页面

时间:2017-03-13 15:03酷播
IE9,Firefox,Chrome,Opera,和Safari浏览器使用透明度属性可以将图像变的不透明。 Opacity属性值从0.0 - 1.0。值越小,使得元素更加透明

[html5]css透明度的范例兼容所有浏览器的页面,如下范例,请实测。

  1. .transparent_class {   
  2.       filter:alpha(opacity=50);   
  3.       -moz-opacity:0.5;   
  4.       -khtml-opacity: 0.5;   
  5.       opacity: 0.5;   
  6. }    

IE9,Firefox,Chrome,Opera,和Safari浏览器使用透明度属性可以将图像变的不透明。 Opacity属性值从0.0 - 1.0。值越小,使得元素更加透明。IE8和早期版本使用滤镜:alpha(opacity= x)。 x可以采取的值是从0 - 100。较低的值,使得元素更加透明。

UPDATE: I wanted to pull this post out of the archives and update it a bit because it there seems to be a good amount of interest in this subject.

Here is what each of those CSS properties is for:

  • opacity: 0.5; This is the “most important” one because it is the current standard in CSS. This will work in most versions of Firefox, Safari, and Opera. This would be all you need if all browsers supported current standards. Which, of course, they don’t.
  • filter:alpha(opacity=50); This one you need for IE.
  • -moz-opacity:0.5; You need this one to support way old school versions of the Mozilla browsers like Netscape Navigator.
  • -khtml-opacity: 0.5; This is for way old versions of Safari (1.x) when the rendering engine it was using was still referred to as KTHML, as opposed to the current WebKit .

 

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