.app-device {
  /*position: relative;*/
}

.app-device img {
  position: absolute;
  right: 10%;
  bottom: 0;
}

.app-img-bottom {
  min-height: 600px;
}

.app-img-bottom img {
  position: absolute;
  left:15%;
  bottom: 0;
}

.app-icon i {
  margin-right: 15px;
  font-size: 30px;
  color: #dedede;
}