body {
  background: #f9f9f9;
  height: 1000px;
}

p {
  margin-top: 0;
}

.my-scrollbar {
  width: 35%;
  min-width: 300px;
  max-height: 450px;
}

.scroll-me {
  background: #EEE;
  min-width: 750px;
}

.kolom {
  background: #2196F3;
  width: 150px;
  height: 150px;
  float: left;
  display: inline-block;
  margin: 15px;
}

.clearfix {
  clear: both;
}