.thumb-container {
  width: 100%;
  max-width: 800px;
  margin: auto;
  background: #0e1425;
  color: white;
  padding: 20px;
  border-radius: 10px;
}

.thumb-container input,
.thumb-container select,
.thumb-container textarea {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  margin-bottom: 15px;
  border-radius: 7px;
  border: none;
  background: #1c2333;
  color: white;
}

button {
  background: #06b6d4;
  border: none;
  padding: 10px;
  border-radius: 7px;
  cursor: pointer;
  margin-top: 10px;
  color: white;
  font-weight: bold;
}

textarea {
  height: 120px;
}

canvas {
  margin-top: 20px;
  width: 100%;
  border: 1px solid #333;
  border-radius: 10px;
}