body {
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 20px;
  background-color: #f7f7f7;
}

#ch75x2 {
  margin: 20px auto;
  height: 250px;
  width: 330px;
  position: relative;
  overflow: hidden;
  border: 1px solid #ccc;
  border-radius: 10px;
  background-color: #fff;
}

#ch75x2 img {
  max-height: 100%;
  max-width: 100%;
  position: absolute;
  opacity: 0;
  top: 40px;
  left: 70px;
}

#ch75x2 img.active {
  opacity: 1;
}

#ch75_skin01x2 {
  margin: 20px auto;
  height: 250px;
  width: 330px;
  position: relative;
  overflow: hidden;
  border: 1px solid #ccc;
  border-radius: 10px;
  background-color: #fff;
}

#ch75_skin01x2 img {
  max-height: 100%;
  max-width: 100%;
  position: absolute;
  opacity: 0;
  top: 40px;
  left: 70px;
}

#ch75_skin01x2 img.active {
  opacity: 1;
}

#ch75_skin02x2 {
  margin: 20px auto;
  height: 250px;
  width: 330px;
  position: relative;
  overflow: hidden;
  border: 1px solid #ccc;
  border-radius: 10px;
  background-color: #fff;
}

#ch75_skin02x2 img {
  max-height: 100%;
  max-width: 100%;
  position: absolute;
  opacity: 0;
  top: 40px;
  left: 70px;
}

#ch75_skin02x2 img.active {
  opacity: 1;
}