:not(:defined) > * {
    display: none;
}


#ios-container a{
    display: block;
}

/* IMPORTANT Make the width and height of the model viewer identical to the width and height of the ar-glyph button in html */
model-viewer {
    width: 150px;
    height: 38px;
    background-color: transparent;
    --poster-color: transparent;
    --progress-bar-color: transparent;
}


model-viewer #ar-prompt {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    display: none;
}


model-viewer[ar-status="session-started"] #ar-prompt {
	display: block;
}


model-viewer[ar-status="session-started"] #ar-prompt #hint {
    position: absolute;
    bottom: 0;
    left:0;
    right:0;
    padding: 10px;
    color: #fff;
    font-family: "Roboto";
    font-size: small;
    text-align: center;
    background: #a0979788;
}


model-viewer #ar-prompt #help{
    position: absolute;
    left: 20%;
    right: calc(20% + 50px);
    top: 50%;
    transform: translateY(-50%);
    height: 50px;
}


model-viewer #ar-prompt #help #logo{
    position: relative;
    animation: help-logo-h 2s infinite ease-in-out alternate;
}
@keyframes help-logo-h {
    from { left: 0%; }
    to   { left: 100%; }
}


model-viewer #ar-prompt img {
	animation: help-logo-v 1s infinite ease-in-out alternate;
}
@keyframes help-logo-v {
    from { transform: translateY(8px); }
    to   { transform: translateY(-8px); }
}




model-viewer #ar-prompt #loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}


model-viewer #ar-prompt #loader #spinner {
    border: 6px solid #dddddd80;
    border-top: 6px solid #a9e0b3;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}



#ar-button {
    position: absolute;
    bottom: 0;
    left: 50%;
    height: 38px;
    transform: translateX(-50%);
    padding: 0;
    background: transparent;
    border-style: none;
}


#ar-button:focus {
	outline: none;
}




.collapsed{
    display: none;
    visibility: hidden;
}


.visible{
    display: block;
    visibility: visible
}