.container {
  overflow: hidden;
}

#myBtnContainer {
  padding: 0;
  margin: 5px 0 35px 0;
  text-align: center;
}

.filterDiv {
  display: none; /* Hidden by default */
}

/* The "show" class is added to the filtered elements */
.show {
  display: block;
}

/* Style the buttons */
.btn {
  cursor: pointer;
  margin: 15px 15px 15px 0;
  display: inline-block;
  padding: 10px 20px;
  font-size: 12px;
  line-height: 20px;
  color: #666666;
  border-radius: 4px;
  background: #fff;
  margin-bottom: 5px;
  transition: all 0.3s ease-in-out;
}

/* Add a light grey background on mouse-over */
.btn:hover, .btn.active{
  background: #ff0000;
  color: #fff;
}