.scaffold {
    position: absolute;
    top: 0;
    left: 0;
}

.satellite, .ghost {
    r: 5;
    fill: rgba(0, 0, 255, .6);
}

.star {
    r: 10;
    fill: red;
}

.ghost, .star {
    cursor: grab;
    cursor: -webkit-grab;
}

.ghost:active, .star:active {
    cursor: grabbing;
    cursor: -webkit-grabbing;
}

.info {
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translate(-50%, 0);
    pointer-events: none;
    user-select: none;
    font-family: Sans-serif;
    font-size: 12px;
    color: darkgray;
    opacity: .8;
}