body {
    background-color: #eee;
}

#connected {
    position: absolute;
    top: 5%;
    right: 5%;
    width: 5%;
    height: 5%;
}

.visible {
    opacity: 1;
    transition: opacity 500ms linear;
}

.hidden {
    opacity: 0.2;
    transition: opacity 6000ms linear;
}