.gcontainer {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  cursor: pointer;
}

.gcontainer div {
  width: 100%;
  display: inline-block;
  display: none;
}
.gcontainer img {
  width: 100%;
  height: auto;
}

gbutton {
  position: absolute;
}

.gnext {
  right: 5px;
}

.gprev {
  left: 5px;
}


.gcontainer2 {
  max-width: 472px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  cursor: pointer;
}
.gcontainer2 div {
  width: 100%;
  display: inline-block;
  display: none;
}
.gcontainer2 img {
  width: 100%;
  height: auto;
}

gbutton2 {
  position: absolute;
}

.gnext2 {
  right: 5px;
}

.gprev2 {
  left: 5px;
}