css - icons not visible clearly in internet explorer, resolution gets redused -

I am a new web developer and designer, I use some icons for the dropdown button, it is clear in Firefox and Chrome Looks like but IE does not support

It shows in IE this way:

But the real image is: (Firefox and Chrome look fine)

  and   

If you can share your work (URL or JSFiddle) then it is possible That you actually know what the problem might be.

Both of me are picture-illuminating to see, it may be that your actual image is less than 16px x 16px which will result in IE generally spoiling these things and you may Why is this result getting?

Try making your image 16px by 16px or larger and see if it solves the problem.