Learn about CSS-Selector weight

{:;}{:;}

Test of css

In the above example, the final display effect is:, not the following:

The selector of this combination has a quick way to judge:

0, 0, 0

The first value represents the style written on the tag, such

{:;}
Its weight is: 0, 0, 1, 2
{:;}
Its weight is :,
Result:,>, so :;
 
{:;:;}
In the IE-6 browser, is displayed:, some information on the Internet that IE-6 does not support, in fact, is not correct.
Let's look at the example:
{:;}{:;}
In the IE-6 is the display:, this shows that the IE-6 is supported, but the performance is a bit weird, the strange place is: the attribute written in the same style of the same name is overwritten by the back,
In the example of {:;:;}, overwrite :.
With this weird, you can in the IE-6, do not use CSS_hack, to achieve "min-height"
{:;:;:;}