body {
    max-width: 800px;
    margin: auto;
    font-family: 'Segoe UI', sans-serif;
    background-color: #f0f8ff;
    color: #333;
    padding: 20px;
    text-align: center;
}

#clock {
    color: #708090;
}

h1 {
    color: #4169e1;
    text-shadow: 3px 3px 3px #87cefa;
}

h2 {
    color: #0066cc;
}

table {
    border-collapse: collapse;
    width: 100%;
    background-color: #fff;
}

table, th, td {
    border: 1px solid #ccc;
}

th, td {
    padding: 10px;
    text-align: left;
}

button {
    padding: 6px 12px;
    margin: 12px 0;
    background-color: #007bff;
    border: none;
    color: white;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

@media screen and (max-width: 600px) {
    table {
        font-size: 14px;
        width: 100%;
    }

    th, td {
        padding: 6px;
    }

    button {
        width: 100%;
        margin-top: 8px;
    }

    form {
        display: block;
        width: 100%;
    }

    input[type="text"],
    input[type="password"] {
        width: 100%;
        box-sizing: border-box;
    }

    h1 {
        font-size: 22px;
    }

    h2 {
        font-size: 18px;
    }
}