#card{margin:3em auto;display:flex;flex-direction:column;max-width:600px;border-radius:6px;box-shadow:0 3px 10px rgba(0,0,0,.25);overflow:hidden;}#card2{margin:3em auto;display:flex;flex-direction:column;max-width:600px;border-radius:6px;box-shadow:0 3px 10px rgba(0,0,0,.25);overflow:hidden;}model-viewer{width:100%;height:400px;background-color:transparent;}.attribution{display:flex;flex-direction:row;justify-content:space-between;margin:1em;}.attribution h1{margin:0 0 .25em;}.attribution img{opacity:.5;height:2em;}.attribution .cc{flex-shrink:0;text-decoration:none;}