body {
    color: #003366;
    width: 968px; 
    background-color: whitesmoke;
    /* #e7ebef; */
    margin-left: auto;
    margin-right: auto;
}

table {
    margin-top: 15px;
    margin-right: auto;
    margin-left: auto;
    margin-bottom: 15px;
    background-color: whitesmoke;
    padding: 10px;
    width: 94%;
    border-radius: 10px;
    border: thin solid #003366;
}

th {
    float: left;
    font-size: medium;
    color: #003366;
}

td {
    vertical-align: top;
    border-bottom: thin solid white;
}

hr {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    border-style: 1px solid silver;
}

em {
    color: #003366; 
    font-style: normal;
    font-weight: bold;
}

img#banner {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 0;
    padding : 0;
    border: none;
    background-color: #e7ebef;
    border-radius: 10px;
}

img#icon {
    margin 0;
    padding-right: 10px;
    border: none;
    background-color: white;
}


.column_img {
  display: block;
  max-width:400px;
  width: auto;
  height: auto;
}

header {
    width: 100%;
    overflow:hidden;
}



header ul {
    padding: 0px;
    margin: 0px;
    list-style: none;
}

header li {
    display: inline;
}

   
/* Add a black background color to the top navigation */

.selected {
    float          : left;
    color          : #0670a8;
    text-align     : center;
    text-decoration: none;
    font-variant   : small-caps;
    font-size      : large;
    font-weight    : normal;
    list-style-position:inside;
    margin-top     : 0px;
    margin-bottom  : 10px;
    /*
    border-top     : thin solid #767a7e;
    border-bottom  : thin solid #767a7e;
    */
    border-top     : thin solid #1a0066;
    border-bottom  : thin solid #1a0066;
    padding-left  : 10px; 
    padding-right : 10px;
    padding-top   : 5px; 
    padding-bottom: 5px; 
}

header nav {
    width: 968px;
    background-color: whitesmoke;
}


/* Header navigation bar */

header nav a {
    float: left;
    display: block;
    color: black;
    text-align: center;
    text-decoration: none;
    font-variant  : small-caps;
    font-size     : large;
    font-weight   : normal;
    margin-left   : 0px;
    margin-top    : 0px;
    margin-bottom : 10px;
    padding-left  : 10px; 
    padding-right : 10px;
    padding-top   : 5px; 
    padding-bottom: 5px;
    border-radius : 5px;
    border-bottom : none;
}



/* Change the color of links on hover */



header nav a:hover {
    font-variant: small-caps;
    font-size: large;
    font-weight: normal;
    background-color: #b0c4d8; 
    color: white;
    border-bottom: none;
}


/* Add a color to the active/current link */

header nav a.active {
    font-variant: small-caps;
    font-size: large;
    font-weight: normal;
    background-color: #b0c4d8; 
    color: white;
    border-bottom: none;
}

header nav a.focus {
    font-variant: small-caps;
    font-size: large;
    font-weight: normal;
    background-color: white;
    border:   none;
    border-radius: 5px;
}

header nav a.visited {
    color: yellow;
    background-color: #519ce6;
    border-bottom: none;
}


/* ARTICLE */

article {
    display: inline-block;
    vertical-align: top;
    padding: 10px;
    border-radius: 10px;
    background-color: white;
    width: 948px;
    /* 968px - 2 * padding */
    box-shadow: 10px 10px 5px #888888;
}

article dl {
    margin-top: 15px;
    margin-right: auto;
    margin-left: auto;  
}

article dd {
    padding-bottom: 5px;
    
}

article dt { 
    font-weight: normal;
    font-style:normal;
     color: #662700; /* #1a0066; */
}

article p {
    padding:0;
}


.gallery {
    display:inline-block;
    margin-top:0px;
    margin-left:5px;
    margin-right:5px;
    margin-bottom:15px;
    padding:5px;
    border:thin solid #003366;
    border-radius:5px;
}

.small_fig {
    margin: 0;
    padding: 0;
    width: 150px;
    height: 150px;
}


article#publications div {
    display:block;
    margin-bottom: 5px;
}


article#publications p {
    vertical-align: top;
    margin-left: 40px;
}

article#publications img {
    float: left;
    display: inline-block;
    padding-top: 0px;
    margin-right: 0px;
}

article#publications dd {
    display: inline-block;
    vertical-align:top;
    margin-left: 0px;
}

article a:link,
article a:visited,
article a:hover,
article a:focus {
    color: #003366;
    font-size: medium;
    text-decoration: underline;
}

section#left_column {
    float: left;
    width: 47%;
    padding-right:10px;
    padding-left:10px;
    border-right: thin solid silver;
    margin-bottom:10px;
}

section#right_column {
    float: right;
    padding-right:10px;
    padding-left: 10px;
    width: 47%;
    margin-bottom: 10px;
}

footer {
    margin-top: 5px;
    font-size: small;
    text-align: right;
}