7D;
        }

        .black {
            background-color: #343A40;
        }

        .light-blue {
            background-color: #17A2B8;
        }

        .dark-grey {
            background-color: #495057;
        }

        @media (max-width: 768px) {
            h2 {
                font-size: 24px;
            }

            p {
                font-size: 14px;
            }

            .button {
                padding: 7px 35px;
            }
        }
    </style>
</head>

<body>
<div id="app