Now most are used!important to hack, for IE6 and Firefox test can display normally, but IE7 to!important can correctly explain, will cause the page did not display as required! Find a good IE7 for the hack Way is to use "*+html", now with IE7 browsing, there should be no problem.
Now write a CSS that can do this:
#1 {color: #333;}/* Moz */
* HTML #1 {color: #666;}/* IE6 */
*+html #1 {color: #999;}/* IE7 */
Then under Firefox font color display as #333,ie6 under the font color display as #666,ie7 under the font color display as #999.
2 centering issues in CSS layouts
The main style definitions are as follows:
body {text-align:center;}
#center {Margin-right:auto; Margin-left:auto; }
Description
The text-align:center is defined first in the parent element, which means that the content within the parent element is centered, and the setting for IE is already available.
But it can't be centered in Mozilla. The solution is to add "Margin-right:auto" when the child element is defined; Margin-left:auto; ”
It should be explained that if you want to use this method to make the whole page to center, it is recommended not to set in a Div, you can split the div in turn, as long as in each of the split Div defined margin-right:auto; Margin-left:auto; You can do it.
3 box model different interpretations.
#box {
width:600px;
For ie6.0-w\idth:500px;
For ff+ie6.0
}
#box {
Width:600px!important
For FF
width:600px;
For ff+ie6.0
Width/**/:500px;
For ie6.0-
}
4 The double distance generated by the floating IE
#box {float:left; width:100px; margin:0 0 0 100px; In this case, IE will produce 200px distance display:inline; Make floating Ignore}
Here Block,inline two elements, the block element is characterized by: always start on the new line, height, width, row height, the margin can be controlled (block elements), the characteristics of the inline element is: and other elements on the same line,... Uncontrollable (inline element);
#box {display:block;//can simulate a block element display:inline for inline elements;//Achieve the effect of the same row arrangement diplay:table;
5 ie with width and height issues
IE does not recognize the definition of min-, but in fact it treats the normal width and height as a condition of min. This problem is big, if only with the width and height, the normal browser of these two values will not change, if only with Min-width and min-height, ie, the following is not set width and height. For example, to set the background image, this width is more important. To solve this problem, you can:
#box {width:80px; height:35px;} Html>body #box {width:auto; height:auto; min-width:80px; min-height:35px;}
6 minimum width of the page
Min-width is a handy CSS command that allows you to specify that the element should be minimal or less than a certain width, so that the layout is always correct. But IE doesn't recognize this, and it actually puts width as the minimum width. To make this command available on IE, put a <div> into the <body> tab and specify a class for the DIV:
Then the CSS is designed like this:
#container {
min-width:600px;
width:e­ XPression (Document.body.clientWidth < 600?) "600px": "Auto");
}
The first min-width is normal, but the width of line 2nd uses JavaScript, which only IE recognizes, which also makes your HTML document less formal. It actually achieves the minimum width by JavaScript's judgment.
7 Clear Float
. hackbox{
display:table;
Display an object as a block-element-level table
}
Or
. hackbox{
Clear:both;
}
or join: After (pseudo-object), set what happens after the object, usually in conjunction with content, IE does not support this pseudo-object, non-IE browser support, so does not affect the Ie/win browser. The most troublesome of these
... #box: after{
Content: ".";
Display:block;
height:0;
Clear:both;
Visibility:hidden;
}
8 div Floating IE text generates 3 pixel bug
The left object floats, the right side is positioned with the left margin of the outer patch, and the text within the right object is spaced 3px away from the left.
#box {
Float:left;
width:800px;}
#left {
Float:left;
width:50%;}
#right {
width:50%;
}
*html #left {
margin-right:-3px;
That's the key.
}
HTML code
<div id=box>
<div id=left></div>
<div id=right></div>
</DIV>
9 attribute Selector (this is not compatible, is a bug to hide CSS)
p[id]{}div[id]{}
p[id]{}div[id]{}
This is hidden for IE6.0 and IE6.0 versions, and the FF and opera functions
There is a difference between the property selector and the child selector, the range of the child selector is reduced in form, the range of the property selector is larger, such as P[id], and all P tags have the same type of ID.
Ten IE hide and seek problems
When the div application is complex, there are some links in each column, and the div is prone to hide-and-seek problems.
Some content does not show up when the mouse selects this area is found content is indeed on the page.
WORKAROUND: Use Line-height attribute for #layout or use fixed height and width for #layout. The page structure is as simple as possible.
11 Height not adapted
Height is not adjusted when the height of the inner object changes, the outer height cannot be automatically adjusted, especially when the inner layer object uses
Margin or paddign. Cases:
<div id= "box" >
Content in the <p>p object </p>
</div>
Css:
#box {background-color: #eee;}
#box p {margin-top:20px;margin-bottom:20px; text-align:center;}
Workaround: Add 2 empty div object CSS code to the P object:. 1{height:0px;overflow:hidden;} Or add the border attribute to the Div.
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