body {
	padding-top: 0rem;	
    background-image: url(../img/#);
    background-repeat: repeat-x;
    background-position: center top;
    background-attachment: fixed;
	background-position: center center;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
	
	}
	

f1{
	font-family: 'Mitr', sans-serif;
	font-size:25px;
}
	
f2{
	font-family: 'Sarabun', sans-serif;
	font-size:16pt;
}	
f3{
	font-family: 'Sarabun', sans-serif;
	font-size:18px;
}
a{
  color:#000;
  text-decoration:none;
}
	
a:hover{
  color:#0066ff;
  text-decoration:none;
}

#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: #1b4079;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

#myBtn:hover {
  background-color: #282828;
}

bottom:hover {
  background-color: #282828;
}