/* NAV CONTAINER */
#main-nav {
    float: left;
    background-color: #dedbee;
    width: 176px;
    margin: 0;
    height: 100%;
}

/* INNER NAV CONTAINERS */
/* Global */
#main-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 1st level */
#main-nav > ul {
}

/* 2nd level */
#main-nav > ul > li > ul {
    /* background-color: #F7F7F7; */
    background-color: #ebe7fb;
    padding: 3px 0px;
    border-top: solid 3px #ffffff;
    border-bottom: solid 3px #ffffff;
}

/* 3rd level */
#main-nav > ul > li > ul > li > ul {
    margin-left: 19px;
    border-left: solid 3px #cccccc;
}

/* LINK CONTAINERS */
/* Global */
#main-nav li {
}

/* 1st level */
#main-nav > ul > li {
}

/* 2nd level */
#main-nav > ul > li > ul > li {
}

/* 3rd level */
#main-nav > ul > li > ul > li > ul > li {
}

/* SELECTED LINK CONTAINERS */
/* Global */
#main-nav li.current, 
#main-nav li:hover {
}

/* 1st level */
#main-nav > ul > li.current, 
#main-nav > ul > li:hover {
    background-color: #ffffff;
}

/* 2nd level */
#main-nav > ul > li > ul > li.current, 
#main-nav > ul > li > ul > li:hover {
}

/* 3rd level */
#main-nav > ul > li > ul > li > ul > li.current, 
#main-nav > ul > li > ul > li > ul > li:hover {
}

/* LINKS */
/* Global */
#main-nav a {
    color: #333;
    display: block;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    text-decoration: none;
    font-weight: normal;
    padding: 4px 0.8em 4px 0.8em;
}

/* 1st level */
#main-nav > ul > li > a {
    font-weight: bold;
}

/* 2nd level */
#main-nav > ul > li > ul > li > a {
    padding-left: 1.6em;
}

/* 3rd level */
#main-nav > ul > li > ul > li > ul li a {
    padding-left: 1.2em;
}

/* SELECTED LINKS */
/* Global */
#main-nav ul li.current > a, 
#main-nav ul li:hover > a {
    font-weight: bold;
}

/* 1st level */
#main-nav > ul > li.current > a, 
#main-nav > ul > li:hover > a {
}

/* 2nd level */
#main-nav > ul > li > ul > li.current > a,
#main-nav > ul > li > ul > li > a:hover {
    background-image: url(https://facultysites-dev.tech.northwestern.edu//images/common/ico-triangle-right-ffffff-on_trans-trim.gif);
    background-position: left;
    background-repeat: no-repeat;
    color: #571963;
}

/* 3rd level */
#main-nav > ul > li > ul > li > ul > li.current > a,
#main-nav > ul > li > ul > li > ul > li > a:hover {
    background-image: url(https://facultysites-dev.tech.northwestern.edu//images/common/ico-triangle-right-cccccc-on_trans-trim.gif);
    background-position: left;
    background-repeat: no-repeat;
}

/* EXTRA */
#main-nav > ul:hover > li > ul > li.current > a,
#main-nav > ul:hover > li > ul > li > ul > li.current > a {
    background-image: none;
}

#main-nav > ul > li > ul > li.current > a:hover {
    background-image: url(https://facultysites-dev.tech.northwestern.edu//images/common/ico-triangle-right-ffffff-on_trans-trim.gif);
}

#main-nav > ul > li > ul > li > ul > li.current > a:hover {
    background-image: url(https://facultysites-dev.tech.northwestern.edu//images/common/ico-triangle-right-cccccc-on_trans-trim.gif);
}

/* COLORS */
#main-nav {
    background-color: #aebcd6;
}

#main-nav > ul > li > ul {
    background-color: #f0f3f8;
}