#shadow {
    background-color: #000000;
    border: 3px solid;
}

.rainbow {
    text-align: center;
    text-decoration: underline;
    font-size: 32px;
    font-family: monospace;
    letter-spacing: 5px;
}
.rainbow_text_animated {
    background: linear-gradient(to right, #6666ff, #0099ff, #00ff00, #ff3399, #6666ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: rainbow_animation 6s ease-in-out infinite;
    background-size: 400% 100%;
}

@keyframes rainbow_animation {
    0%, 100% {
        background-position: 0 0;
    }

    50% {
        background-position: 100% 0;
    }
}

body {
    margin: 0px;
    padding: 0px;
}

#message {
    margin: 5px;
    padding: 5px;
}