.container {
  display:flex;
}
.slideshow {
  flex: 1;
  position: relative;
  top: 0;
  left: 0;
  min-width:740px;
  max-width:740px;
  height:585px;
}
.slideshow img {
  position: absolute;
  padding:30px 20px;
  top: 0;
  left: 0;
  width:700px;
  height:525px;
  opacity: 0;
  transition: opacity 3s ease-in-out;
}
.slideshow img.active {
  opacity: 1;
}
.txt {
  flex: 1;
  text-align:left;
  padding:30px 20px;
  overflow:hidden;
}