html {
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f6f7f9;
  color: #222222;
}

h1 {
  margin: 24px 0 0 0;
  padding: 0;
  text-align: center;
  font-size: 28px;
}

#qr-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 48px;
}

#qr-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  background-color: #ffffff;
  border: 8px solid #444649;
  border-radius: 16px;
  box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.4);
}

#loading-qr {
  width: 180px;
  height: 180px;
  background: linear-gradient(45deg, #fafbfd, #66676a);
  background-size: 300% 300%;
  animation: bggradient 3.5s ease infinite;
}

#description {
  margin: 36px 0 24px 24px;
  text-align: center;
}


footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
}

.btn-wrapper {
  width: 100%;
  max-width: 348px;
  padding: 24px 0 24px 0;
}

.btn-wrapper a {
  display: block;
  width: 100%;
  border-radius: 4px 6px;
  border: 1px solid transparent;
  padding: 10px 24px;
  font-size: 18px;
  line-height: 30px;
  font-weight: bold;
  font-family: inherit;
  color: #ffffff;
  cursor: pointer;
  box-sizing: border-box;
  background-color: #03ba1e;
  text-align: center;
  text-decoration: none;
}


@keyframes bggradient {
  0% {
    opacity: 0;
    background-position: 0% 150%;
  }

  5% {
    opacity: 0;
    background-position: 0% 150%;
  }

  60% {
    opacity: 1;
    background-position: 0% 100%;
  }

  100% {
    opacity: 1;
    background-position: 0% 0%;
  }
}