How to override background style back to original?

如何重写背景风格回到原来的？

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A red and black background is placed behind the text by setting the background style -webkit-gradient.

通过设置背景样式- webkit - gradient来在文本后面放置一个红黑色背景。

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This special cultural background is probably the key that separates The Wandering Earth from Hollywood-style space films.

这种特殊的文化背景或许是《流浪地球》区别于好莱坞式太空电影的关键所在。

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Mr Clegg shares Mr Cameron's youth, privileged background and political style he even prowled the Liverpool stage without a lectern or a script, as the Tory leader likes to do.

ECONOMIST: Nick Clegg's turbulent early months as leader

The pair could not differ more sharply in style and background.

ECONOMIST: Italy: A new left leader? | The

That the former Cardinal Jorge Mario Bergoglio was second only to Cardinal Joseph Ratzinger in the 2005 conclave that elected Ratzinger pope has only added to the popular imagination about how these two popes of such different style, background and priorities might get along.

WSJ: Pope Francis Meets With Benedict