body {
  margin: 0; 
  background-color: black;
}
      
iframe {
  border: none; 
  display: block; 
  margin: 20px auto;
  overflow: hidden;
}
      
p {
  color: white;
  margin: 0 20px 0 0;
}
      
a {
  font-size: 16px;
  color: black; 
  background-color: white; 
  text-decoration: none; 
  text-align: center;
}
      
button {
  cursor: pointer; 
  font-size: 16px; 
  background-color: white; 
  padding: 7px 7px; 
  border-radius: 5px; 
  border: none; 
  text-align: center;
}
      
form {
  color: white;
}
      
#home {
  position: absolute;
  border-radius: 5px; 
  margin: 20px 0 0 20px;
  top: 0;
}
      
#settings {
  position: absolute;
  border-radius: 5px;
  margin: 20px 20px 0 0;
  right: 0;
  top: 0;
}
      
#submit-btn {
  border-radius: 2px; 
  background-color: white; 
  border: none; 
  padding: 2px 5px;
}