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CSS Sprites image background Optimization Technology

Source: Internet
Author: User
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From: Blue

Playing cards

This article introduces a simple implementation method, which does not require an image.
The principle is to use HTML tags with four special characters.
1. & spades; indicates the peach
2. & Hearts; indicates a red heart
3. & clubs; indicates plum blossom
4. & diams; indicates the square
Write the structure first:
<Div class = "card" style = "Left: 10px; top: 20px;">
<Div class = "Front">
<B class = "Index"> 9 <br/> & spades; </B>
<SPAN class = "A1"> & spades; </span>
<SPAN class = "A2"> & spades; </span>
<SPAN class = "A3"> & spades; </span>
<SPAN class = "A4"> & spades; </span>
<SPAN class = "B1"> & spades; </span>
<SPAN class = "C1"> & spades; </span>
<SPAN class = "C2"> & spades; </span>
<SPAN class = "C3"> & spades; </span>
<SPAN class = "C4"> & spades; </span>
<B class = "end"> & spades; <br/> 9 </B>
</Div>
</Div>
Then write the style:
<Style type = "text/CSS">
. Card {width: 125px; Height: 170px; position: absolute; overflow: hidden; Border: 1px # c0c0c0 solid ;}
/* General settings of intermediate images */
SPAN {
Display: block;
Width: 20px;
Height: 30px;
Line-Height: 30px;
Position: absolute;
Font-size: 26px;
Left: 22px;
Top: 130px;
}
/* General settings for small images */
/* General numeric settings */
B {display: block; width: 15px; Height: 10px; position: absolute; font-size: 10px; text-align: center; font-weight: bold; overflow: hidden ;}
/* Coordinate points */
. A1 {left: 21px; top: 10px ;}
. A2 {left: 21px; top: 50px ;}
. A3 {left: 21px; top: 90px ;}
. A4 {left: 21px; top: 130px ;}
. B1 {left: 51px; top: 76px ;}
. C1 {left: 83px; top: 10px ;}
. C2 {left: 83px; top: 50px ;}
. C3 {left: 83px; top: 90px ;}
. C4 {left: 83px; top: 130px ;}
. Scroll {filterrogidximagetransform. Microsoft. basicimage (rotation = 2); Height: 1px}
. Index {
Font-size: 16px;
Font-weight: bold;
Text-align: center;
Width: 14px;
Height: 36px;
Position: absolute;
Left: 5px;
Top: 0px;
}
. End {
Font-size: 16px;
Font-weight: bold;
Text-align: center;
Width: 14px;
Height: 36px;
Position: absolute;
Right: 5px;
Bottom: 0px;
}
. Red {color: # ff0000 ;}
. Font {font-size: 34px ;}
</Style>
Note: In order to truly restore a playing card, I added the filter function to the second playing card to flip the following pattern vertically, but this method will cause the picture to be unclear, in addition, this method can only be identified by IE browsers. If the experts have other better methods, please kindly advise!

 

CompleteCodeAs follows:

<! Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<HTML xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> untitled document </title>
<Style type = "text/CSS">
. Card {width: 125px; Height: 170px; position: absolute; overflow: hidden; Border: 1px # c0c0c0 solid ;}
/* General settings of intermediate images */
SPAN {
Display: block;
Width: 20px;
Height: 30px;
Line-Height: 30px;
Position: absolute;
Font-size: 26px;
Left: 22px;
Top: 130px;
}
/* General settings for small images */
/* General numeric settings */
B {display: block; width: 15px; Height: 10px; position: absolute; font-size: 10px; text-align: center; font-weight: bold; overflow: hidden ;}
/* Coordinate points */
. A1 {left: 21px; top: 10px ;}
. A2 {left: 21px; top: 50px ;}
. A3 {left: 21px; top: 90px ;}
. A4 {left: 21px; top: 130px ;}
. B1 {left: 51px; top: 76px ;}
. C1 {left: 83px; top: 10px ;}
. C2 {left: 83px; top: 50px ;}
. C3 {left: 83px; top: 90px ;}
. C4 {left: 83px; top: 130px ;}
. Scroll {filter: progid: DXImageTransform. Microsoft. basicimage (rotation = 2); Height: 1px}
. Index {
Font-size: 16px;
Font-weight: bold;
Text-align: center;
Width: 14px;
Height: 36px;
Position: absolute;
Left: 5px;
Top: 0px;
}
. End {
Font-size: 16px;
Font-weight: bold;
Text-align: center;
Width: 14px;
Height: 36px;
Position: absolute;
Right: 5px;
Bottom: 0px;
}
. Red {color: # ff0000 ;}
. Font {font-size: 34px ;}
</Style>
</Head>
<Body>
<! -- 9 characters -->
<Div class = "card" style = "Left: 10px; top: 20px;">
<Div class = "Front">
<B class = "Index"> 9 <br/> </B>
<SPAN class = "A1"> </span>
<SPAN class = "A2"> </span>
<SPAN class = "A3"> </span>
<SPAN class = "A4"> </span>
<SPAN class = "B1"> </span>
<SPAN class = "C1"> </span>
<SPAN class = "C2"> </span>
<SPAN class = "C3"> </span>
<SPAN class = "C4"> </span>
<B class = "end"> <br/> 9 </B>
</Div>
</Div>
<! -- 9 characters -->
<Div class = "card" style = "Left: 175px; top: 20px;">
<Div class = "Front Red">
<B class = "Index"> 9 <br/> </B>
<SPAN class = "A1"> </span>
<SPAN class = "A2"> </span>
<SPAN class = "A3"> </span>
<SPAN class = "A4"> </span>
<SPAN class = "B1"> </span>
<SPAN class = "C1"> </span>
<SPAN class = "C2"> </span>
<SPAN class = "C3"> </span>
<SPAN class = "C4"> </span>
<B class = "end"> <br/> 9 </B>
</Div>
</Div>
<! -- 9 characters -->
<Div class = "card" style = "Left: 340px; top: 20px;">
<Div class = "Front Red">
<B class = "Index"> 9 <br/> </B>
<SPAN class = "A1"> </span>
<SPAN class = "A2"> </span>
<SPAN class = "A3 scroll"> </span>
<SPAN class = "A4 scroll"> </span>
<SPAN class = "B1"> </span>
<SPAN class = "C1"> </span>
<SPAN class = "C2"> </span>
<SPAN class = "C3 scroll"> </span>
<SPAN class = "C4 scroll"> </span>
<B class = "End scroll"> 9 <br/> </B>
</Div>
</Div>
<! -- 9 characters -->
<Div class = "card" style = "Left: 510px; top: 20px;">
<Div class = "Front Red">
<B class = "Index"> 9 <br/> </B>
<SPAN class = "A1 font"> </span>
<SPAN class = "A2 font"> </span>
<SPAN class = "A3 font"> </span>
<SPAN class = "A4 font"> </span>
<SPAN class = "B1 font"> </span>
<SPAN class = "C1 font"> </span>
<SPAN class = "C2 font"> </span>
<SPAN class = "C3 font"> </span>
<SPAN class = "C4 font"> </span>
<B class = "end"> <br/> 9 </B>
</Div>
</Div>
</Body>
</Html>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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