/*
.nivoSlider {
	width:600px;
	margin: 0px auto;
}
*/

#slider{
        max-height: 600px; /* Make sure your images are the same size */
        max-width: 400px; /* Make sure your images are the same size */  
		margin: auto;
}
.slider-wrapper {
        max-width: 400px; /* Make sure your images are the same size */ 
		text-align: center;
}