You can edit elements that are not in the body 您可以编辑正文以外的元素。
A cascading style sheet lets you define styles that can be applied to multiple controls and pages without having to edit elements individually 级联样式表使您可以定义可应用于多个控件和页面的样式,而不必分别编辑元素。
When you use editing tools , such as toolbox or properties , to edit elements , the editor uses the current set of formatting options to generate the markup 使用编辑工具(如“工具箱”或“属性” )编辑元素时,编辑器使用当前这些格式设置选项生成标记。