If you examine the default selectors within wp_styles_en.mthm, you will notice that most of the selectors are fully qualified (they include both XDIME element and style class).

如果您检查wp _ styles_en . mthm中的缺省选择器，您将注意到大多数选择器都是完全限定的(它们同时包含XDIME元素和样式类)。