做动易模板时 我的圆角表格的做法(2)_动易Cms教程

body {
padding:10px;
font:76%/135% "Lucida Grande", "Lucida Sans Unicode", Arial, Helvetica, sans-serif;
}
/* CSS for the box starts here */
.box {
padding:0 12px 0 0;
background:#fff url(/help/UploadFiles_4256/200606/20060628151123420.gif) 100% 0 repeat-y;
}
.bi {
padding:0 0 0 12px;
background:#fff url(/help/UploadFiles_4256/200606/20060628151123420.gif) 0 0 repeat-y;
}
.bt {
height:17px;
margin:0 -12px;
background:url(/help/UploadFiles_4256/200606/20060628151133443.gif) 100% 0 no-repeat;
}
.bt div {
width:18px;
height:17px;
background:url(/help/UploadFiles_4256/200606/20060628151133443.gif) 0 0 no-repeat;
}
.bb {
height:17px;
margin:0 -12px;
background:url(/help/UploadFiles_4256/200606/20060628151133443.gif) 100% 100% no-repeat;
}
.bb div {
width:18px;
height:17px;
background:url(/help/UploadFiles_4256/200606/20060628151133443.gif) 0 100% no-repeat;
}
.box h1 {
margin:0;
padding:0.3em 10px;
background:#efece6;
font:bold 1.2em/1 Arial, Helvetica, sans-serif;
}
.box p, .box ul {
margin:0;
padding:4px 10px;
background:#fff;
}
.box li {
margin:0 0 0 2em;
padding:0;
}
〈/style〉
〈/head〉
〈body〉
〈div class="box"〉
〈div class="bi"〉
〈div class="bt"〉
〈div〉
〈/div〉
〈/div〉
〈h1〉Flexible box with custom corners and borders〈/h1〉
〈p〉This is a demo of a flexible box with custom corners and custom borders.
The box will expand to contain any amount of content vertically, will handle
any text size, and can become very wide before the horizontal borders start
breaking up. How wide depends on the width of one of the background images.〈/p〉
〈p〉Two images are used. 〈a href="box.gif"〉〈code〉box.gif〈/code〉〈/a〉 is a
complete box. For the sake of this demo I’ve made it 1600 pixels wide. It
is used for the corners and the horizontal borders. The other image,
〈a href="borders.gif"〉〈code〉borders.gif〈/code〉〈/a〉, contains the vertical
borders. Why use a single, large image for the corners instead of several
smaller ones? There are several reasons:〈/p〉
〈ul〉
〈li〉Splitting the image into a bunch (six in this case – one for each
corner plus the top and bottom borders) of smaller images may actually
increase the total file size, depending on the look of the corners and
borders.〈/li〉
〈li〉To minimize the number of HTTP requests sent to the server.〈/li〉
〈li〉Convenience. When changing the look of the borders and corners,
replacing two files is faster than replacing eight files.〈/li〉
〈/ul〉
〈p〉Some extra markup is needed to put the corners and borders in place.
A bit annoying, yes, but this extra, non-semantic XHTML is quite minimal,
and won’t get in the way if CSS is off, so I think I can live with it. It
is possible to get rid of some more markup by using the 〈code〉:before〈/code〉
and 〈code〉:after〈/code〉 pseudo-elements, but since Internet Explorer doesn’t
support them I’ll leave the extra markup in there.〈/p〉
〈p〉The main content area of this box can be filled with any elements you
like, as long as their background colour is set to white (or whatever colour
the inside of your box has), and their margins are zeroed. If the content
is transparent the left border will be doubled because the image used to
create it also contains the right border. You can avoid the need for that
by splitting the image in two, or adding an extra 〈code〉div〈/code〉 to put
all your content in.〈/p〉
〈div class="bb"〉
〈div〉
〈/div〉
〈/div〉
〈/div〉
〈/div〉
〈/body〉
〈/html〉

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