body {
  margin: 0;
  background: #0d1117;
  font-family: Arial, sans-serif;
  color: #c9d1d9;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

h1 {
  text-align: center;
  color: #58a6ff;
}

.desc {
  text-align: center;
  margin-bottom: 30px;
  color: #8b949e;
}

.card {
  background: #161b22;
  border: 1px solid #30363d;
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 12px;
  transition: 0.3s;
  position: relative;
}

.card:hover {
  transform: scale(1.02);
  border-color: #58a6ff;
}

.card h2 {
  margin: 10px 0;
}

.id {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 12px;
  color: #8b949e;
}

.price {
  display: block;
  margin-top: 10px;
  font-size: 18px;
  color: #3fb950;
}

.card.warning {
  border-left: 5px solid orange;
}

.card.danger {
  border-left: 5px solid red;
}

.card.blue {
  border-left: 5px solid rgb(68, 68, 252);
}