/*Body*/
body{
  background-color: lightgray;
  margin: 0;
  padding: 0;
}

  /*Header*/
header{
  background-image: url('pictures/Navigation\ pic.jpg');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  height: 100%;
  text-align: center;
  padding-bottom: 25%;
}
header h1{
  color: #333333;
  font-size: 100px;
  text-align: left;
  font-family: Roboto;
  margin-top: 9%;
  margin-left: 11%;
}
header h3{
  color: #333333;
  font-size: 22px;
  font-family: Arial;
  text-align: left;
  margin-top: -4.5%;
  margin-left: 11%;
}


  /*Navigation*/
nav ul{
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
}
nav ul li{
  cursor: pointer;
  float: left;
  font-size: 18px;
  padding: 1.2em;
  text-align: center;
  margin-top: 1%;
}
.logo{
  color: black;
  font-size: 26px;
  margin-top: -2px;
}
nav ul li a{
  color: black;
  text-decoration: none;
}


  /*Google form*/
iframe{
  width: 100%;
  border: none;
  height: 950px;
  padding-top: 5%;
  overflow-y: hidden;
}


  /*Footer*/
footer{
  background-color: white;
  color: sliver;
  font-family: Helvetica;
  font-size: 17px;
  padding: 0.5em 0 0.5em 3em;
}
.links{
  font-size: 12px;
  text-align: center;
}


  /*Back to top button*/
#myBtn {
  display: none; /* Hidden by default */
  position: fixed; /* Fixed/sticky position */
  bottom: 25px; /* Place the button at the bottom of the page */
  right: 30px; /* Place the button 30px from the right */
  z-index: 99; /* Make sure it does not overlap */
  border: none; /* Remove borders */
  outline: none; /* Remove outline */
  background-color: red; /* Set a background color */
  color: white; /* Text color */
  cursor: pointer; /* Add a mouse pointer on hover */
  padding: 15px; /* Some padding */
  border-radius: 10px; /* Rounded corners */
  font-size: 18px; /* Increase font size */
}
#myBtn:hover {
  background-color: #555; /* Add a dark-grey background on hover */
}