formatting blockquotes

I can’t get the top margin or padding narrower in my block quotes.
You can see what I’m talking about at https://www.theirvins.com

Here is my CSS

blockquote {
background: #EEE;
border: 1px solid #E0E0E0;
padding: 5px;
padding-bottom: 15px;
margin: 2em;
}