.nav, ul, li, a  {
    margin: 0;
    padding: 0;
    
}
.back-to-top {
    text-align: center;
    text-decoration:none;
    width:50px;
    height:50px;
    border-radius:50%;
    background:#f3f8f7;
    opacity:0.5;
    position:fixed;
    bottom:10px;
    right:10px;
    display:none;
    border:2px solid #999;
    font-weight:bold;
    font-size:30px;
    color:#999;
    
    z-index: 100;
}
.nav a {
    text-decoration: none;
    
}
.nav-container {
    max-width: 700px;
    margin: auto;
    
    /* width: 100%; */
    
}

.toggleMenu {
    z-index: 101;
    position: absolute;
    top:2px;
    right:2px;
    display:  none;
    border: solid 1px #999;
    padding: 10px 10px;
    font: bold 1.15rem verdana,arial ;
    color: #000;
        background-color: #fff;
        filter: alpha(opacity=70);
          /* IE */
          -moz-opacity: 0.70;
          /* Mozilla */
          opacity: 0.70;
          /* CSS3 */
    text-decoration: none;
}

.nav {
    width: 965px;
    margin-top: 0;
    margin-bottom: 0;
    position: absolute;
    top: 266px;
    list-style: none;
    *zoom: 1; 
        
     
}
.nav:before,
.nav:after {
    content: " "; 
    display: table; 
}
.nav:after {
    clear: both;
}
.nav ul {
    list-style: none;
    
}
.nav a {
    padding: 5px 15px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
}
.nav a:hover {
    
    background-color: #666;
    padding: 5px 15px;
    font-weight: bold;
    color: #FFFFFF;
    text-decoration: none;
}
.nav a:active {
    
    background-color: #555;
    padding: 5px 15px;
    font-weight: bold;
    color: #FFFFFF;
    text-decoration: none;
    
 }
.nav li {
    font-size: 1.2rem;    

    position: relative;
    margin-left: 0px;
    
}
.nav > li {
    float: left;
     
}

.nav > li > a {
    display: block;
    
}
.nav li  ul {
    width: 215px;
    position: absolute;
    left: -9999px;
}
.nav > li.hover > ul {
    left: 0;
    
}
.nav li li.hover ul {
    left: 100%;
    top: 0;
}
.nav li li a {
    background: #333;

    padding-left :15px;
    display: block;
    position: relative;
    z-index:100;
    font-size: 1rem;
    
} 
.nav li li li a {
    z-index:200;
    color: #fff;
    font-size: 1rem;  
}  
@media screen and (min-width: 965px) {
.nav > li > .parent {
    background-image: url("images/down.png");
    background-repeat: no-repeat;
    background-position: right;
}
}

@media screen and (max-width: 964px) {



.nav {
    background-color:rgba(0, 0, 0, 0.9);
    z-index: 101;
    margin-right:0;
    margin-top: 0;
    margin-left: 0;
    width: 100%;
    position: absolute;
    top: 80px;
    
    
}
.nav > li {

        border-bottom: 1px solid #555;
        margin-left: 0;
        padding: 10px;
        float: none;
        font-size: 1.5rem;
}
.nav li li a{
        border-bottom: 1px solid #555;
        font-size: 1.25rem;
        padding: 10px;
}
.nav > li > .parent {

    background-position: 100% 50%;
    background-image: url("images/down.png");
    background-repeat: no-repeat;
    
}
.nav ul {
    width: 100%;
    display: block;
     

    }
   .nav > li.hover > ul , .nav li li.hover ul {
        position: static;
        width: 100%;
        
    }
    .nav li li li a {
    font-size: 1.25rem;
    
}
}