/* FOR IE6 & BELOW */
body { text-align: center; } 
#container { text-align: left; margin: 0 auto; }

/* HEADER everything in the header is centered, so, no width given */
#header h1 {
  margin: 0 auto;
  text-align: center;
  padding: 0;
  font-size: 150%;
  font-weight: bold;
  font-style: italic;
  color: #7A889A;
  color: #6A788A;
}
/* NAVIGATION */
#main-nav {
  padding: 0; /* essential because nav is a ul */
  margin: 0 0 1em 0;
  text-align: center;
}
#main-nav li {
  display: inline;
  list-style-type: none;
  font-weight: bold;
  font-size: 80%;
  margin: 0 1em 0 1em;
}
/* CONTENT */
#content {
  width: 720px;
  margin: 0 auto;
}
.lead p {
  width: 30em;
  margin: 1em auto 1em auto;
}
#content .lead img {
  display: block;
  margin: 1em auto 1em auto;
  text-align: center; /* for old browsers */
}
/* EXPOSITORY */
.expository {
  width: 34em;
  margin: 1em auto;
}
div#graphics-display img {
  display: block;
  margin: 1em auto;
  border: none;
}
/* IMAGES */
img {
  border: 3px solid #2B56B2;
  border: 2px solid silver;
}
.photo-credit {
  margin: 0 auto 0 auto;
  text-align: center; 
  font-size: 75%;
}
/* UNORDERED LIST */
ul.link-set {
  width: 50%;
  margin: 0 auto;
}
/* ANCHOR */
a {
  font-weight: bold;
  color: #7a889a;
  color: #6A788A;
}
a:hover {
  color: #6A788A;
  text-decoration: underline;
}
/* SITE MAP */
#site-map {
  width: 30%;
  margin: 2em auto 2em auto;
  padding: 0 0 0 0;
}
#site-map li {
  list-style-type: none;
  margin: 1em 0 0 0;
  text-align: center;
}
#site-map a {
  text-decoration: underline;
}
#gallery {
  width: 720px;
  margin: 1em auto 0 auto;
}
#gallery p {
  margin: 0em auto 2em auto;
  width: 350px;
}
#gallery .col_1 {
  width: 48%;
  float: left;
  clear: both;
}
#gallery .col_2 {
  width: 48%;
  float: right;
}

/* FOOTER */
#footer {
  color: #555;
  font-size: 75%;
  clear: both;
}
#footer p {
  margin: 0 auto 0 auto;
  text-align: center;
}
#footer abbr {
  font-style: italic;
}

.copyright {
  width: 100%;
  text-align: center;
  font-family: sans-serif;
  font-size: x-small;
  font-style: italic;
  /* padding: 0.5em 0 0 0; */
  clear: both;
}
abbr {
  cursor: help;
}
/*
  font-style: italic;
*/