.container {
  width: auto;
}
.imageclass {
  float: left;
  width: auto;
  height: auto;
  padding: 10px;
}
.textclass {
  float: left;
  width: auto;
  height: auto;
  padding: 10px;
}
@media screen and (min-width: 900px) {
  .flex {
    display: flex;
  }
}