body, html{
  text-align: center;
  background-color: red;
}
p{
  text-align: left;
}
img{
  width: 75%;
}
.everything{
  width: 80%;
  height: 100%;
  margin: auto;
  background-color: rgb(25, 173, 231);
  border: groove 13px rgb(32, 32, 32);
}
.printer{
  margin-top: 1%;
  width: 24%;
  height: 640px;
  border: dashed 7px rgb(255, 0, 0);
  padding: 2%;
  display: inline-block;
  vertical-align: top;
}
  /*tablet*/
@media (max-width: 900px) {
  .everything{
  }
  .ff{
    width: 75%;
    height: 600px;
  }
  .ltaz6, .hpjf3d4200{
    width: 34.2%;
    height: 607px;
  }
}
/* phone */
@media (max-width: 600px) {
  .printer{
    width: 80%;
    height: 560px;
  }
}