Sogou Pinyin Input Method How to adjust the transparency?

Sogou Pinyin Input Method How to adjust skin transparency, to first use picture processing software to set the transparency of the picture, save the PNG format, and then import the skin editor, so made of skin is transparent.

But many netizens said the new input method cannot adjust the transparency.

Today's new installed Sogou Pinyin input method, want to adjust the input method transparency, the results can not find

I remember the previous version can be adjusted, how now the latest version can not be adjusted, or I did not find a location

　　Detailed reference to the following figure:

Originally, the current version of the cancellation of this feature, only the old version to use this feature!