body {
  margin: 0;
  background: #fff; /* Set to white */
  font-family: "Arial", sans-serif;
}

.heading {
  color: #2a9d8f; /* Greenish color */
  text-align: center;
  padding-top: 20px;
  font-size: 3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  border-bottom: 2px solid #2a9d8f;
}


.info-text {
  text-align: center;
  color: #0d3b66;
  font-size: 1.2rem;
}

.info-text2 {
  text-align: center;
  color: #0d3b66;
  font-size: 1.2rem;
}


.app {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 40px;
  justify-content: center;
  padding: 50px;
}

.note {
  padding: 20px;
  border-radius: 15px;
  resize: none;
  box-shadow: 0 0 8px rgba(45, 156, 147, 0.3); /* Modern shadow color */
  font-size: 1rem;
  height: 200px;
  color: #264653; /* Modern font color */
  border: none;
  outline: none;
  background: #f4f4f4; /* Light gray background */
  font-family: 'Poppins', sans-serif; /* Modern font family */
  box-sizing: border-box;
  transition: background 0.3s ease;
}

.note::placeholder {
  color: #6b7c93;
  opacity: 0.7;
}

.note:hover,
.note:focus {
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
  background: rgba(255, 255, 255, 0.95);
}

.btn {
  height: 100px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 15px;
  font-size: 2rem;
  font-weight: 700;
  color: #0d3b66;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.7);
  color: #2a9d8f;
}