body {
        background-color: #f8f9fa;
      }
      .login-form {
        width: 340px;
        margin: 50px auto;
        font-size: 15px;
      }
      .login-form form {
        margin-bottom: 15px;
        background: #fff;
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.1);
      }
      .login-form h2 {
        margin: 0 0 15px;
      }
      .form-control, .btn {
        min-height: 38px;
        border-radius: 2px;
      }

      .btn
      {
        font-size: 15px;
        font-weight: bold;
        background-color: green;
      }

      .btn:hover {
        font-size: 15px;
        font-weight: bold;
        background-color: #333;
      }