body { background-image: url(''); 
background-attachment:fixed; 
background-size: cover; 
font-family: Courier New, sans-serif; font-size: 20px; font-weight: 400; } 

a { background-color: none; padding: 5px 5px; 
color: red;
text-decoration: none;}

a:hover {background-color: #ffffe0;} 

div { margin: auto; 
font-family: Courier New, sans-serif; font-size: 15px; font-weight: 400;
} 

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

.dropbtn {
  background-color: #ffffff;
  color: red;
  padding: 13px;
  font-size: 13px;
  border: none;
}