Logo Size

I have tried about 6 different suggested CSS codes to reduce the size of my logo and I can’t change it a bit. I’ve entered them into Edit CSS, with different %s and w/h, and have not edited anything in the theme editor.

I’ve just tried changing themes and can’t for the life of me remember how I reduced it on my last one… but it wasn’t through CSS. I can’t find any other suggestions for the newest WordPress version anywhere.

TIA!

This is what I have there now

#top .logo img {
width: 300px;
height: 132px;
}

http://www.jenbocciaphotography.com