*{
    font-family: Helvetica, Arial, Sans-Serif;
}

body{
width:100%;
height:auto;
background-color: #fff;
}

.topnav{
    top:0px;
    position: relative;
    width: 100%;
    background-color: #fff;
    z-index: 999999;
}

ul.topnav {
  list-style-type: none;
  margin: 0px;
  padding: 0px;
  overflow: hidden;
  background-color: #fff;
   
}

ul.topnav li {float: left;}

ul.topnav li a {
  display: inline-block;
  color: #666666;
  text-align:left;
  padding: 12px 33px;
  text-decoration: none;
  transition: 0.3s;
  font-size: 12px;
}

ul.topnav li a:hover {background-color: #fff;}

ul.topnav li.icon {display: none;}

@media screen and (max-width:680px) {
  ul.topnav li:not(:first-child) {display: none;}
  ul.topnav li.icon {
    float: right;
    display: inline-block;
  }
}

@media screen and (max-width:680px) {
  ul.topnav.responsive {position: relative;}
  ul.topnav.responsive li.icon {
    position: absolute;
    right: 0;
    top: 0;
    background-color: #fff;
  }
  ul.topnav.responsive li {
    float: none;
    display: inline;
  }
  ul.topnav.responsive li a {
    display: block;
    text-align: left;
  }
}



@media screen and (min-width: 481px) and (max-width: 680px){

.topnav{
       top:0px;
    background-color: #fff;
    }
}


@media screen and (min-width: 602px) and (max-width: 1920px){

.topnav{
        display: none;
    }
.container{
    width:20%;
    height:auto;
}    
}