body {
  margin: 0;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  font-family: sans-serif;
  height: 100vh;
}

.container {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
}

h1 {
  margin-bottom: 20px;
}

.buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

#btn,
#clearBtn {
  padding: 10px 20px;
  cursor: pointer;
  border: none;
  border-radius: 6px;
}

#btn {
  background: #4caf50;
  color: #fff;
}

#clearBtn {
  background: #f44336;
  color: #fff;
}

#output {
  width: 100%;
  max-width: 600px;
  flex: 1;
  overflow-y: scroll;
  background: rgba(0, 0, 0, 0.2);
  padding: 15px;
  border-radius: 8px;
}

#output p {
  margin: 0 0 10px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}