input提示
效果图：http://dl.iteye.com/upload/attachment/0072/6745/23952b83-a510-35de-a37f-90fb7eef4533.png
代码：
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>input 提示</title></head><body><input type="text" style="color: rgb(153, 153, 153);" value="请输入用户名"></body></html>
页:
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