@charset               "UTF-8";


/*Start button 1*/
.nav1 a
{
	height: 64px;
	width: 70px;
	display: block;
	background: transparent url("/im/portfolio/uafnatscience-thumb.png") -70px 0 no-repeat;
}

.nav1 a:hover { background-position: -70px 0; }

/*End button 1*/