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

body, html {
  height: 100%;
  font-family: Arial, sans-serif;
  background: #111;
  color: #fff;
}

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

.card {
  background: #222;
  border-radius: 20px;
  padding: 40px;
  max-width: 500px;
  text-align: center;
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
  margin-bottom: 30px;
  transition: transform 0.3s ease;
}

.quote-text {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.quote-author {
  font-size: 1rem;
  color: #aaa;
}

#next-btn {
  background-color: #00b894;
  border: none;
  padding: 12px 24px;
  border-radius: 25px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

#next-btn:hover {
  background-color: #019875;
}