* {
            box-sizing: border-box;
        }

        body {
            position: relative;
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 0;
            background-color: rgb(5, 9, 59);
            ;
            color: #333;

            display: grid;
            grid-template-columns: auto 1fr;
            grid-template-rows: auto 1fr;
            gap: 8px;
        }

        header {
            grid-column: 2 / 3;
            grid-row: 1 / 2;
            padding: 1rem;
            margin: 0;
            border-radius: 0 0 0 8px;
            text-align: center;
            background-color: rgb(10, 15, 83);
            box-shadow: 0 2px 19px rgba(0, 0, 0, 0.664);

            & h1 {
                font-size: 1.5rem;
                margin: 0;
            }
        }

        aside {
            grid-row: 1 / 3;
            grid-column: 1 /2;
            max-width: 200px;
            max-height: 100vh;
            margin: 0;
            padding: 1rem;
            background-color: #e9ecefbd;
            border-bottom-right-radius: 8px;
            border-radius: 0;

            & h2 {
                color: #3b3b80;
            }

            & ul {
                margin: 0;
                padding: 5px;
                border-radius: 8px;
                list-style: none;
                display: flex;
                flex-direction: column;
                gap: 8px;

                &:focus {
                    box-shadow: inset 2px -2px 8px #3b3b80;
                }

                & li {
                    border-radius: 8px;
                    padding: 5px;
                    transition: box-shadow ease-in-out 500ms;

                    &:hover {
                        box-shadow: inset -1px -1px 3px #3b3b80;
                    }
                }
            }
        }
        .spMenu {
            display: none;
            transition: display ease-in-out 500ms;

            &:focus {
                display: block;
            }
        }

        article {
            grid-column: 2 / 3;
            grid-row: 2 / 3;
            overflow-y: auto;

            & main {
                max-width: 800px;
                margin-inline: auto;
                margin-block: 2rem 0;
                padding: 2rem;
                background-color: rgb(15, 23, 42);
                background-color: rgb(10, 15, 83);
                border-radius: 8px;
                box-shadow: 0 2px 10px rgba(0, 0, 0, 0.664);
                color: #ffffffdc;
                font-family: Verdana, Geneva, Tahoma, sans-serif;
            }
        }

        footer {
            text-align: center;
            padding: 1rem;
            background-color: rgb(10, 15, 83);
            color: #fff;
            margin-top: 2rem;
            border-radius: 12px 0 0 0;
            box-shadow: 2px 3px 8px rgb(15, 23, 42);
        }

        h1,
        h2,
        h3 {
            color: #ffbb27dc;
        }

        h1 {
            font-size: 2rem;
        }

        h2 {
            font-size: 1.7rem;
            margin-top: 2rem;
        }

        h3 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
        }

        p {
            margin: 1rem 0;
            color: #e9ecefbd;
        }

        ul {
            list-style-type: disc;
            margin-left: 2rem;
        }

        .code,
        pre {
            background-color: #e9ecefbd;
            border: none;
            border-radius: 8px;
            width: 90%;
            overflow-x: auto;
            padding-inline: 1.5rem;
            padding-block: 0 1.5rem;
            margin: auto;
            margin-block-end: 1rem;

            & code {
                color: rgb(143, 0, 0);
                box-shadow: none;
                font-family: Consolas, 'Courier New', monospace;
                font-weight: 500;
                font-size: 15px;
            }
        }

        .code {
            padding: 1.5rem;
        }

        code {
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #a168d7;
            box-shadow: -1px -1px #e9ecefbd;
            margin-inline: 1rem;
        }

        a {
            color: #3b3b80;
            text-decoration: none;
        }

        a:hover {
            text-decoration: underline;
        }

        .toc {
            background-color: #e9ecefbd;
            padding: 1rem;
            border-radius: 5px;
            margin-bottom: 2rem;

            & h2 {
                color: #3b3b80;
            }
        }

        .toc ul {
            list-style-type: none;
            margin: 0;
            padding: 0;
        }

        .toc li {
            margin: 0.5rem 0;
        }
        
                @media (max-width: 680px) {
            body {
              display: flex;
              flex-direction: column;
              gap: 8px;
            }
            aside {
                display: none;
            }

            header,
            article {
                grid-column: 1 / 3;
            }

            header {
                border-radius: 0 0 8px 8px;
            }
        }
        @media (max-width: 680px) {
            body {
              display: flex;
              flex-direction: column;
              gap: 8px;
            }
            aside {
                display: none;
            }

            header,
            article {
                grid-column: 1 / 3;
            }
            header {
                border-radius: 0 0 8px 8px;
            }
            pre {
              width: 100%;
            }
        }