摘要:
==========================================================1. 背景-background==========================================================单个属性的写法.sample1 {background-color: #CCCCCC; /*背景颜色*/background-image: url(sample.gif); /*背景图片*/background-repeat: no-repeat; /*平铺(?)*/background-attachment: fixed; /*随文 阅读全文
摘要:
<!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=gb23 阅读全文