body {
  margin: 1em;
  padding: 0;
  font-family: Google Sans, Noto, Roboto, Helvetica Neue, sans-serif;
  color: #244376;
}


#card {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  max-width: 600px;
  border-radius: 6px;
  box-shadow: 0 3px 10px #009140;
  overflow: hidden;
}
.air {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  max-width: 600px;
}

model-viewer {
  width: 100%;
  height: 400px;
  background-color: #ffffff;
  --poster-color: #ffffff00;
}

.attribution {
  margin: 1em auto;
  display: flex;
  flex-direction: column;
  max-width: 600px;
}

.attribution a {
  text-decoration:none;
  color: #009140;
  font-size: 2em;
  
}
.attribution img {
  opacity: 1;
  height: 1.5em;
}

.attribution .cc {
  flex-shrink: 0;
  text-decoration: none;
}

footer {
  display: flex;
  flex-direction: column;
  max-width: 600px;
  margin: auto;
  text-align: center;
  font-style: italic;
  font-size: 12px;
  line-height: 1.5em;
}

.button {
  border: none;
  color: white;
  padding: 16px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  transition-duration: 0.4s;
  cursor: pointer;
}

.button1 {
  background-color: white; 
  color: black; 
  border: 2px solid #009140;
}

.button1:hover {
  background-color: #009140;
  color: white;
}

.button2 {
  background-color: white; 
  color: black; 
  border: 2px solid #009140;
}

.button2:hover {
  background-color: #009140;
  color: white;
}