style.css

#container {
    background-color: #D9D870;
    margin-left: auto;
    margin-right: auto;
    width: 80%;
    height: auto;
    overflow: auto;

}
#content {
    width: 70%;
    background-color: #B5D870;
    float: left;
    display: block;

}
#sidebar {
    width: 30%;
    background-color: #91D870;
    float: left;
    height: auto;
}
#main {
    /*height: auto;*/
}
img {

    display: block;
    margin-left: auto;
    margin-right: auto;
}

header {
    background-color: #9370D8;
    text-align: center;
    overflow: auto;
}

footer {
    background-color: #9370D8;
    clear: both;
    text-align: center;
}

/* Navbar */

#primary_nav_wrap ul
{
    list-style:none;
    position:relative;
    float:left;
    margin:0;
    padding:0;
}

#primary_nav_wrap ul a
{
    display:block;
    color:#333;
    text-decoration:none;
    font-weight:700;
    font-size:12px;
    line-height:32px;
    padding:0 15px;
    font-family:"HelveticaNeue","Helvetica Neue",Helvetica,Arial,sans-serif
}

#primary_nav_wrap ul li
{
    position:relative;
    float:left;
    margin:0;
    padding:0
}

#primary_nav_wrap ul li.current-menu-item
{
    background:#ddd
}

#primary_nav_wrap ul li:hover
{
    background:#BF70D8;
}

#primary_nav_wrap ul ul
{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    background:#7078D8;
    padding:0
}

#primary_nav_wrap ul ul li
{
    float:none;
    width:200px
}

#primary_nav_wrap ul ul a
{
    line-height:120%;
    padding:10px 15px
}

#primary_nav_wrap ul ul ul
{
    top:0;
    left:100%
}

#primary_nav_wrap ul li:hover > ul
{
    display:block
}