#nav a { border: 1px solid #ccc; background: white; text-decoration: none; margin: 0; padding: 5px 5px; color: #c0c0c0; font-family: arial;  }
#nav a.activeSlide { background: #c0c0c0; color: white; font-family: arial; }
#nav a:focus { outline: none; }
#nav {
 width: 355px; /* to match width of .slideshow p */
 margin: auto;
 position: absolute;
 left: 550px;
 top: 500px; /* would normally be zero, but adding in 5px from #nav a + additional 5px for "padding" */
 z-index: 5;
}