/* PREVIEW 1 */
.preview1 {
width: 100%;
  overflow: hidden;
  border: 1px solid #ddd;
  border-radius: 8px;
}

.preview1 iframe {
  display: block;
  width: 100%;
  height: 450px;
  border: none;
}

/* PREVIEW 2 */
.preview2 {
width: 100%;
  overflow: hidden;
  border: 1px solid #ddd;
  border-radius: 8px;
}

.preview2 iframe {
  display: block;
  width: 100%;
  height: 450px;
  border: none;
}

/* PREVIEW 3 */
.preview3 {
width: 100%;
  overflow: hidden;
  border: 1px solid #ddd;
  border-radius: 8px;
}

.preview3 iframe {
  display: block;
  width: 100%;
  height: 450px;
  border: none;
}


/* PREVIEW 4 */
.preview4 {
width: 100%;
  overflow: hidden;
  border: 1px solid #ddd;
  border-radius: 8px;
}

.preview4 iframe {
  display: block;
  width: 100%;
  height: 450px;
  border: none;
}