.announcement {
  padding: 10px 15px;
  background-color: #ffeb3b;
  color: #000;
  font-weight: bold;
  margin-bottom: 20px;
  text-align: center;
  font-size: 16px;
  border-radius: 4px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}