body {
  font-family: Arial, sans-serif;
  text-align: center;
}

.top-buttons, .side-buttons {
  margin: 20px;
}

button {
  padding: 10px 20px;
  margin: 5px;
  font-size: 16px;
  cursor: pointer;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 20px;
}

.gallery img {
  width: 500px;
  height: 300px;
  border: 1px solid ;
  border-radius: 5px;
  margin: 10px;
}