mgwt自定义样式

我正在尝试使用如下所示的自定义样式（）：

及

当我加载我的应用程序时，出现以下错误：

Rebinding com.googlecode.mgwt.ui.client.theme.mgwt.MGWTColorBundleNonRetina
Invoking generator com.google.gwt.resources.rebind.context.InlineClientBundleGenerator
Creating assignment for getButtonBarCss()
Replacing CSS class names
The following unobfuscated classes were present in a strict CssResource:
text
Fix by adding String accessor method(s) to the CssResource interface for obfuscated classes, or using an @external declaration for unobfuscated classes.

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这看起来像是在使用一个不完整的主题，该主题在css文件中存在css类，而java接口中没有声明这些类

如果要开始使用mgwt样式，可以轻松克隆themebase项目并从那里开始：

MGWTStyle.setTheme(new MGWTColorTheme());

Rebinding com.googlecode.mgwt.ui.client.theme.mgwt.MGWTColorBundleNonRetina
Invoking generator com.google.gwt.resources.rebind.context.InlineClientBundleGenerator
Creating assignment for getButtonBarCss()
Replacing CSS class names
The following unobfuscated classes were present in a strict CssResource:
text
Fix by adding String accessor method(s) to the CssResource interface for obfuscated classes, or using an @external declaration for unobfuscated classes.