body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

#cardImage {
  border: 2px solid black;
  max-width: 100%;
}

#cardDisplay {
  margin-bottom: 20px;
}

#cardName {
  font-size: 24px;
  margin-top: 10px;
}

.navbar {
  background-color: #48cae4;
  color: black;
  padding: 10px 20px;
  text-align: center;
}

.navbar-brand {
  display: inline-block;
  font-size: 1.5rem;
}

.navbar-links a {
  color: black;
  text-decoration: none;
}

#stackNumber {
  font-size: 25px;
  font-weight: bold;
  margin-top: 5px;
}

.footer {
  background-color: #48cae4;
  color: black;
  padding: 20px 0;
  text-align: center;
  margin-bottom: 0px;
}

.footer a {
  color: black;
  text-decoration: none;
  margin: 0 10px;
}

.footer-copyright {
  margin-top: 15px;
  font-size: 0.8em;
}

.container-main {
  padding: 40px;
  text-align: center;
}

@media (max-width: 767px) {
  .container-main {
    padding: 30px;
  }
}

@media (max-width: 575px) {
  .container-main {
    padding: 20px;
  }
}

#spinner {
  width: 25px;
  height: 25px;
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-left-color: #333;
  border-radius: 50%;
  display: none; /* Hidden by default */
  position: relative;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}