body{background:url(../images/bg.png) fixed;}
.main_area{background-color:#FFFFFF;box-shadow: 0px 0px 21px 2px #ccc;}
body {margin:0;}

img {
    max-width:100%;
    max-height: 100%;
}


ul.topnav {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color:  #93cfeb ;
}

ul.topnav li {float: left;}

ul.topnav li a {
  display: inline-block;
  color: #000000;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  transition: 0.3s;
  font-size: 17px;
}

ul.topnav li a:hover {background-color: #f3f3f3;} 

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;
  }
  ul.topnav.responsive li {
    float: none;
    display: inline;
  }
  ul.topnav.responsive li a {
    display: block;
    text-align: left;
  }
}