body {
    font-family: Arial, sans-serif;
    background-color: #181818;
    color: #fff;
    margin: 0;
    padding: 20px;
    display: flex;
    align-items: center;
    text-align: center;
    justify-content: center;
    height: 100vh;
    flex-direction: column;
    overflow: hidden;
}

#content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    border-color: #fff;
    border-style: solid;
    border-width: 1px;
    width: 90%;
    animation: boxshadowandbordercolor 3s infinite;
}

h1 {
    margin: 15px;
    font-size: 2.5em;
}

p {
    margin: 15px;
    font-size: 1.2em;
    line-height: 1.6;
}

footer {
    margin-top: 40px;
    font-size: 0.9em;
    color: #888;
    position: fixed;
    bottom: 10px;
}

footer p {
    margin: 0;
}

@keyframes boxshadowandbordercolor {
    0% {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
        border-color: #fff;
    }
    50% {
        box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
        border-color: rgb(90, 90, 90);
    }
    100% {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
        border-color: #fff;
    }
    
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    #content {
        width: 90%;
        padding: 15px;
    }

    h1 {
        font-size: 2em;
    }

    p {
        font-size: 1em;
    }
}