html, body{
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}

model-viewer{
width: 100%;
height: 100%;
background: #FFFFFF;
--progress-bar-color: transparent;
}

div#model-view{
width: 100%;
height: 100%;
margin: 0 auto;
}

#ar-btn{
position: absolute;
width:150px;
height:50px;
right: calc(50% - 75px );
bottom: 25px;
z-index: 99;


background-color: #2D73FF;
background-repeat: no-repeat;
background-size: 85%;
background-position: center;
border: 2px solid #96b9ff;
border-radius: 99px;
color: #FFFFFF;
font-weight: 600;
font-size: medium;
transition: 0.5s;

}

#ar-btn:hover {
background-color: #245ac7;
transform: translateY(-3px);
transition: 0.5s;

}