* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(to right, lightblue, lightgreen);
  padding: 80px 20px;
  text-align: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
  background-color: white;
  width: 90%;
  max-width: 400px;
  margin: auto;
  padding: 30px 20px 40px;
  border-radius: 40px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
}

#heading {
  background-color: white;
  padding: 10px 20px;
  width: 80%;
  max-width: 300px;
  margin: 30px auto 0;
  border-radius: 40px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.9);
  font-size: 1.2rem;
  word-wrap: break-word;
}

button {
  margin-top: 25px;
  font-size: 1rem;
  background-color: cornflowerblue;
  padding: 10px 30px;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  color: white;
  transition: transform 0.2s ease;
}

button:active {
  transform: scale(1.4);
}

@media (max-width: 400px) {
  #heading {
    font-size: 1rem;
    width: 100%;
  }

  button {
    width: 100%;
    font-size: 0.95rem;
    padding: 10px;
  }
}