Windows 10: why my site Logo Is Transparent?

I have Wordpress Site, Whenever I Design my Site layout , My Logo Became Transparent, Why ? Please HelpThis Is My Site Link

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Transparency function

Hi,

For us to provide you an accurate resolution on your concern regarding transparency function, we need the following information:

• Were there any updates made on your computer prior to this concern?
• What troubleshooting steps have you taken so far to resolve this?
• When did the issue first begin?
• Could you possibly send us a screenshot of your transparency effects page?

We look forward to your response.

 

text-logo colour change on transparent tiles

You can't.

 

Photoshop: Creating Transparent Images

• PNG supports Alpha Transparency, that is that the image can have different levels of alpha (or opacity) throughout.
• GIF supports transparency too, but any part of the image can only be either transparent or opaque. There is no gradual shift, no "Alpha" level to adjust. (And transparency eats into 1/256 of your available colors.)
• JPEG supports neither form of transparency.

Internet Explorer did not support transparency in PNGs until IE7, I believe that it would show black instead of the page behind the PNG image. It did, however, support PNGs. (Which are still a great way to achieve a non-lossy, high-color image. (even without transparency))