Updated Accordion CSS

/* ==============================================================
   A few base styles plus column layout
   =========================================================== */
.wrap,
.main,
.secondary {
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
}

.wrap {
    background-color: #e7ded3;
    margin: 0 auto;
    max-width: 634px;
    overflow: hidden; /* to contain floats */
    padding: 10px;
}

h1 {
    border-bottom: double 4px #bca785;
    color: #6b8e23;
    font-size: 26px;
    margin-top: 0;
}

ul, p {
    color: #333;
    margin-top: 0;
    margin-bottom: 1em;
}

a {
    color: #369;
}

.main {
    background-color: rgba(255, 255, 255, .4);
    border-radius: 5px;
    float: left;
    padding: 0 10px;
    width: 66.666%;
}

.secondary {
    float: right;
    padding-left: 10px;
    width: 33.333%;
}

/* ==============================================================
   The Accordion
   =========================================================== */
.accordion {
    font-family: sans-serif;
    line-height: 1.5;
}

.separator {
    border-bottom: dashed 1px #bca785;
    margin-bottom: 10px;
    padding-bottom: 10px;
}


/* ----------------------------------
   Base title style - applies to all accordion titles
   ------------------------------- */
.accordion__title {
    font-size: 18px;
    line-height: 1;
    margin: 0;
    overflow: hidden; /* to contain floats */
}

/* Alternate title style - extends accordion__title */
.accordion__title--alt {
    font-family: serif;
    font-size: 16px;
}


/* ----------------------------------
   Base toggle style - applies to all accordion toggles
   ------------------------------- */
.accordion__toggle {
    color: #004f95;
    display: block;
    padding: 10px 0;
}

/* Alternate toggle style - extends accordion__toggle */
.accordion__toggle--alt {
    color: #6b8e23;
}


/* ----------------------------------
   Base icon style - applies to all accordion toggles
   ------------------------------- */
.icn {
    background-position: left top;
    background-repeat: no-repeat;
    float: left;
    margin-right: 5px;
    /* image replacement styles in next 3 declarations */
    overflow: hidden;
    text-indent: 100%;
    white-space: nowrap;
}

/* FAQ icon style - extends icn */
.icn--accordion {
    background-color: #004f95;
    background-image: url("img/icn-accordion.png");
    border-radius: 50%;
    height: 18px;
    width: 18px;
}

/* Archive icon style - extends icn */
.icn--accordion-alt {
    background-image: url("img/icn-archive.png");
    height: 6px;
    margin-top: 5px;
    width: 6px;
}


.accordion__body {
    overflow: hidden;
    padding-left: 23px;
    -webkit-transition: all .5s ease-in-out;
       -moz-transition: all .5s ease-in-out;
        -ms-transition: all .5s ease-in-out;
         -o-transition: all .5s ease-in-out;
            transition: all .5s ease-in-out;
    visibility: hidden;
}

.accordion__body > * {
    margin-top: 0; /* this might normally be addressed in reset styles */
}

.accordion__body > :last-child {
    margin-bottom: 0;
}


/* ----------------------------------
   States: styles that apply based on Javascript events
   ------------------------------- */
.icn--is-selected {
    background-position: left bottom;
}

.is-closed {
    max-height: 0 !important;
}

.is-open {
    max-height: 999px !important; /* work-around to animate unknown height */
    visibility: visible !important;
}


/* ----------------------------------
   Lists: styles that cancel User Agent styles for lists
   ------------------------------- */
.list--unstyled {
    list-style: none;
    margin-bottom: 0;
    margin-top: 0;
    padding-left: 0;
}