app/static/login.css

/* login.css and register.css (adjust as needed) */
.container {
    width: 400px;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
    background-color: #f8f8f8; 
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
}

h1 {
    margin-bottom: 20px;
    color: #333; 
}

input[type="text"], input[type="email"], input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.button-primary { /* Reuse from previous example */
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  font-size: 1rem;
  transition: background-color 0.3s ease; 
}

.button-primary:hover {
  background-color: #0056b3; 
}