body,
html {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#pano {
    width: 100vw;
    width:100svw;
    height: 100vh;
    height: 100svh;
    position:relative;
}

.ad {
    position:absolute;
    bottom:0;
    right:0;
    padding:14px 20px;
    z-index:50;
    background:#fff;
    font-family:Arial, Helvetica, sans-serif;
    text-transform: uppercase;
    font-weight:700;
    font-size:12px;
    color:#000;
    text-decoration: none;
    border-top-left-radius: 20px;
    transition:all 0.3s ease;
}
.ad:hover {
    background:#000;
    color:#fff;
}

.logo {
    position:absolute;
    top:20px;
    left:50%;
    transform:translateX(-50%);
    z-index:50;
}
@media only screen and (max-width:600px) {
    .logo {
        width:200px;
    }
    .logo img {
        width:100%;
    }
}

/* Hotspot styling */
.hotspot {
    background: rgba(0, 0, 0, 0.4);
    border:2px solid #fff;
    color: white;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    width:20px;
    height:20px;
    border-radius:100%;
    position: absolute;
    transform: translate(-50%, -50%);
    transition:background-color 0.3s ease;
}
.hotspot:before {
    content:"";
    display:block;
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    border:1px solid #fff;
    border-radius:100%;
    z-index:50%;
    animation:pulse 2s ease-out infinite;
}

@keyframes pulse {
    0% {
        transform:scale(1);
        opacity: 1;
    }
    100% {
        transform:scale(3);
        opacity: 0;
    }
}

.hotspot:after {
    content:"";
    display:block;
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    background:url(images/arrow.svg) no-repeat center center;
    background-size:contain;
    filter:invert(1);
    transition:filter 0.3s ease;
}

.hotspot:hover {
    background: #fff;
}
.hotspot:hover:after {
    filter:invert(0);
}