h1 {
  text-align: center;
  margin: 20px 0;
}

table {
  margin-left: 25px;
}

td {
  padding: 5px;
}

.btn {
  margin-top: 30px;
}

h2 {
  text-align: center;
  color: crimson;
}

#slider {
  width: 400px;
  height: 500px;
  overflow: hidden;
  position: relative;
  margin: 20px auto;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

#slider img {
  width: 100%;
  height: 100%;
  display: none;
  object-fit: fill;
  border-radius: 10px;
}

#slider img.active {
  display: block;
}