img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 90%;
  margin-left: 0;
}
pre {
    overflow:auto;
    max-width:100%
}
.imgContainer{
    float:left;
}
.imgContainer2{
    float:left;
    width: 50%;
    padding: 0px;
}
.imgContainer3{
    float:left;
    width: 33.33%;
    padding: 0px;
}