:root {
  --gr: 1.618;
  --card-size: 25em;
}

html {

}

body {
  font-size: 0.85em;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  
  background: rgb(244,222,151);
  background:  radial-gradient(ellipse at top, rgba(244,222,151,0.5) 0%, rgba(251,208,152,0.5) 46%, rgba(255,255,255,0) 100%);
  background-repeat: no-repeat;
  height: 100em;

}

.qrcode {
  width: calc(var(--card-size)*0.1);
  bottom: 1em;
  right: 1em;
  position: absolute;
}

.card {
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 0.5em;
  background-color: rgba(255,255,255,0.7);
  width: calc(var(--card-size));
  height: calc(var(--card-size) * var(--gr));
  box-shadow: 0px 0px 20px rgba(0,0,0,0.5);
  padding: 1em;
  margin: 2em;
  padding: 1em;
  color: white;

  margin-right: auto;
  margin-left: auto;
  cursor: pointer;
 

}

.card:hover{
  transition-duration: .25s;
  transition-timing-function: ease-out;
  box-shadow: 0px 0px 10px rgba(0,0,0,0.5);
  top: 1px;

}

.card h1{
  font-size: calc(var(--card-size) * 0.075);
  color: #000;
  text-shadow: 0px 1px rgba(255,255,255,0.25);
}

a {
  color: #00B7FF;
}