body {
    background-color: #333;
    font-family: Arial, sans-serif;
}

.login-container {
    width: 400px;
    margin: 50px auto;
    padding: 20px;
    background-color: #444;
    border: 1px solid #555;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.logo {
    width: 150px;
    height: 50px;
    margin: 20px auto;
    
}

h2 {
    text-align: center;
    color: #fff;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #fff;
}

input[type="email"], input[type="password"], input[type="number"] {
    width: 380px;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #555;
    border-radius: 5px;
    background-color: #333;
    color: #fff;
}

button[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button[type="submit"]:hover {
    background-color: #3e8e41;
}

a {
    color: #4CAF50;
    text-decoration: none;
}

/* Mobile-friendly design */

@media only screen and (max-width: 768px) {
  .login-container {
    width: 90%;
    margin: 20px auto;
  }
  
  .logo {
    width: 150px;
    height: 50px;
    margin: 20px auto;
  }
  
  input[type="email"], 
  input[type="password"], 
  input[type="number"] {
    width: 100%;
  }
}
a:hover {
    color: #3e8e41;
}