Finally add a subtle Outer Glow using black at 15% opacity to give a slight shadow to the content area.

最后添加一个外发光，黑色的15%透明度的，于是一个淡淡的内容区的阴影就这样出现了。

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Now we can draw an additional big black box for the content area.

现在我们再画一个大黑框作为内容区。

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However, these early black hat SEO techniques weren't completely successful because the keywords often didn't match the actual content on the page and mislead both search engines and users.

这些早期的黑帽SEO技术未能取得完全的成功，因为关键词常常与页面上的实际内容不符，这误导了搜索引擎和用户。

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Lehmann, the lead author of the paper which is published in the journal Nature Geosciences, said that the black carbon content of soils in the study ranged from zero to 82 percent of soil organic carbon.

CNN: Soil study hints at climate model revision

"They made it clear that they could not guarantee that the content of the black boxes would be able to be retrieved, " he told the Associated Press.

BBC: Air France crash: Tail section found on Atlantic seabed

The 2012 models employ NeoPlasma Black 2500 provide a crisp image even when the content shows very fast motion.

ENGADGET: Panasonic unveils Infinite Black Ultra Panel plasmas for 2012 (eyes-on)