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這行代碼如何縮寫

#guarantee {

? line-height: ? ? ? ? 1.9em;

? font-style: ? ? ? ? ?italic;

? font-family: ? ? ? ? Georgia, "Times New Roman", Times, serif;

? color: ? ? ? ? ? ? ? #444444;

? border-color: ? ? ? ?white;

? border-width: ? ? ? ?1px;

? border-style: ? ? ? ?dashed;

? background-color: ? ?#a7cece;

? padding: ? ? ? ? ? ? 25px;

? padding-left: ? ? ? ?80px;

? margin: ? ? ? ? ? ? ?30px;

? margin-right: ? ? ? ?250px;

? background-image: ? ?url(images/background.gif);

? background-repeat: ? no-repeat;

? background-position: top left;

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2018-05-09

源自：初識(shí)HTML(5)+CSS(3)-升級(jí)版

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給力哥
2018-05-11

#guarantee?{
????font:?italic?100%/1.9em?Georgia,?"Times?New?Roman",?Times,?serif;
????color:?#444444;border:?1px?dashed?white;
????padding:?25px?25px?25px?80px;
????margin:?30px?250px?30px?30px;
????background:?#a7cece?url(images/background.gif)?no-repeat?top?left;
}