body {
  background-color: #f2f2f2;
  font-family: Arial;  
}

#signin {
  width: 400px;
  margin: 0 auto;
  border: 1px solid #ddd;
  padding: 20px;  
}

#signin h2 {
  text-align: center;  
}

#signin label {
  display: block;
  margin-bottom: 10px;
}

#signin input[type="email"],
#signin input[type="password"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px; 
}

#signin input[type="submit"] {
  width: 100%;
  background-color: #4CAF50;
  color: white;
  padding: 14px 20px;
  margin-top: 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

#signin a {
  display: block;
  text-align: center;
  margin-top: 20px; 
}