html {
        scroll-behavior: smooth;
     }
        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            margin: 0;
            padding: 0;
            background-color: rgba(2, 26, 50, 0.68);
        }
        header {
            background-color: rgba(2, 26, 50, 0.68);
            color: whitesmoke;
            position: relative;
            padding: 10px 0;
            min-height: 120px;
        }
        header .logo {
            position: absolute;
            top: 10px;
            left: 10px;
            margin: 0;
        }
        .header-center {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        header h1 {
            margin: 0;
            font-size: 3em;
            display: flex;
            align-items: center;
            gap: 10px;
            color: antiquewhite;
            justify-content: center;
            text-align: center;
        }
        nav {
            background-color: #444;
            padding: 10px;
            text-align: center;
        }
        nav a {
            color: white;
            text-decoration: none;
            padding: 10px 20px;
            display: inline-block;
        }
        section {
            padding: 20px;
            margin: 20px;
            background: #e9e9e9;
            border-radius: 5px;
        }
        section h2 {
            color: black;
        }        
        section h3 {
            color: #3333ff;
            margin-left: 50px;
        }
        section ul {
            list-style-type: none;
            padding: 0;
        }
        section ul li {
            margin: 10px 0;
            padding: 10px;
            background: rgb(68, 168, 163);
            border-radius: 5px;
        }
        section form {
            display: flex;
            flex-direction: column;
            background-color: antiquewhite;
            padding: 20px;
            border-radius: 5px;
        }
        section form label {
            margin-bottom: 5px;
            font-size: large;
            color:#3333ff;
        }
        section form input, section form textarea {
            margin-bottom: 10px;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
        }
        section form input[type="submit"] {
            align-self: flex-end;
            background: linear-gradient(90deg, #ce1800, #59ff00, #ff8800);
            background-size: 200% 100%;
            width: 300px;
            color: black;
            border: black 2px solid;
            border-radius: 5px;
            padding: 12px 32px;
            font-size: 1.2em;
            font-weight: bold;
            cursor: pointer;
            transition: box-shadow 0.2s;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            animation: gradient-move 2s linear infinite;
        }
        @keyframes gradient-move {
            0% { background-position: 0% 50%; }
            100% { background-position: 100% 50%; }
        }
        footer {
            text-align: center;
            padding: 10px;
            background: #333;
            color: white;
            position: relative;
        }
        footer p {
            margin: 0;
        }
        .gradient-text {
            background: linear-gradient(90deg, #ff00cc, #3333ff, #00ffcc, #ff00cc);
            background-size: 400% 100%;
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
            animation: shine 5s linear infinite;
        }
        @keyframes shine {
            0% { background-position: 0% 50%; }
            100% { background-position: 100% 50%; }
        }
        .emoji {
            -webkit-text-fill-color: initial !important;
            color: initial !important;
            background: none !important;
            background-clip: border-box !important;
        }
        /* Responsive styles for mobile devices */
@media (max-width: 700px) {
    header {
        min-height: unset;
        padding: 16px 0 8px 0;
        text-align: center;
        position: relative;
    }
    header .logo {
        position: static;
        display: block;
        margin: 0 auto 10px auto;
        width: 120px;
        float: none;
    }
    .header-center {
        align-items: center;
        justify-content: center;
        margin-top: 0;
    }
    .header-center h1 {
        font-size: 2em;
        margin-top: 0;
    }
    nav {
        margin-top: 0;
    }
    nav a {
        display: block;
        padding: 12px 0;
        font-size: 1.1em;
        border-bottom: 1px solid #555;
    }
    section {
        margin: 8px 0;
        padding: 12px;
    }
    section h3 {
        margin-left: 0;
        font-size: 1em;
    }
    section ul li {
        font-size: 1em;
        padding: 8px;
    }
    section form {
        padding: 10px;
    }
    section form input[type="submit"] {
        width: 100%;
        font-size: 1em;
        padding: 10px 0;
    }
    #fontSizeOverlay {
        display: none !important;
    }
}