reg.css

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .container {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 400px; /* Set the maximum width of the container */
    width: 100%; /* Make the container fill the available width */
    text-align: center; /* Center the content within the container */
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  label {
    display: block;
    margin-bottom: 8px;
  }
  
  input {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
  }
  
  button {
    background-color: #3498db;
    color: #fff;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
  }
  
  button:hover {
    background-color: #2980b9;
  }