html {
   background: url(images/bg.jpg) no-repeat center center fixed;
   -webkit-background-size: cover;
   -moz-background-size: cover;
   -o-background-size: cover;
   background-size: cover;
 }


 #box {
  color: #333333;
  background: #cccccc;
  left: 50%;
  margin: 20px;
  padding: 20px;
  width: auto;
  margin-left: auto;
  margin-right: auto;
  border-radius: 25px;
}

#title {
    height:35px;
    line-height:30px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    background:gray;
    font-size:18px;
    font-weight:bold;
    font-family:verdana;
    display:block;
    color:white;
    display:block;
    padding:10px;
    border: 1px solid gray;
    border-bottom:none;
}

#footer {
  text-align: center;
}

/* Style the navigation menu */
.topnav {
  overflow: hidden;
  background-color: #333;
  position: relative;
}

/* Hide the links inside the navigation menu (except for logo/home) */
.topnav #myLinks {
  display: none;
}

/* Style navigation menu links */
.topnav a {
  color: white;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
  display: block;
}

/* Style the hamburger menu */
.topnav a.icon {
  background: black;
  display: block;
  position: absolute;
  right: 0;
  top: 0;
}

/* Add a grey background color on mouse-over */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}

/* Style the active link (or home/logo) */
.active {
  background-color: #04AA6D;
  color: white;
}