body {
  font-family: monospace;
  background-color: #1a1a1a;
  color: #d0f0c0;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 700px;
  margin: 2rem auto;
  padding: 1rem;
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #a8ff60;
}

p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.trade-window {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 2rem 0;
}

.nft-stack {
  position: relative;
  width: 100px;
  height: 140px;
}

.nft-card {
  width: 100px;
  height: 140px;
  background-color: #333;
  border: 2px solid #a8ff60;
  position: absolute;
  top: 0;
  left: 0;
}

.overlap {
  top: 10px;
  left: 10px;
}

.coin-logo {
  width: 50px;
  height: auto;
}

.button {
  display: inline-block;
  padding: 0.5rem 1rem;
  margin-top: 1rem;
  color: #1a1a1a;
  background-color: #a8ff60;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
}

input[type="text"] {
  width: 80%;
  padding: 0.5rem;
  font-size: 1rem;
  margin-bottom: 1rem;
}