html, body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    font-family: Arial, sans-serif;
}
canvas {
    display: block;
}
#crosshair {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    transform: translate(-50%, -50%);
    pointer-events: none;
}
#crosshair::before, #crosshair::after {
    content: "";
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
}
#crosshair::before {
    width: 2px;
    height: 30px;
    left: 14px;
    top: 0;
}
#crosshair::after {
    width: 30px;
    height: 2px;
    left: 0;
    top: 14px;
}
#coordinates {
    position: absolute;
    top: 10px;
    left: 10px;
    color: white;
    background: rgba(0,0,0,0.7);
    padding: 10px;
    border-radius: 5px;
    font-size: 14px;
}
#pano-container{
    width: 100vw;
    height: 100vh;
}
footer {
    margin-top: -100%;
}