.demo-container{
  position: relative;
  width: 100%;
  margin:0 auto;
  padding: 20px;
  border: 5px dashed #e2e2e2; 
}
.container-content {
  width: 300px;
  height: 280px;
  padding: 10px;
  border: 1px solid grey;
  float: left;
  margin: 20px 0 100px 50px;
  background-color: white;
}
.ov-hidden {
  overflow-y: hidden;
}

.scroll {
  overflow-y: scroll;
}

.auto {
  overflow-y: auto;
}
.demo-container img{
  width: 250px;
  height: 300px;
  display: inline;
  text-align: auto;
  max-width: none;
  margin: 0;
}