#tree-section {
  text-align: left;
  max-width: 56.875rem;
  margin: 2.1875rem auto 3.125rem;
  font-size: 1.3125rem;
  background-color: #EBEBEB;
}

/* Remove margins and padding from the parent ul */
#my_tree {
  margin: 0;
  padding: 0;
}

/* Style the caret/arrow */
.caret {
  cursor: pointer;
  user-select: none; /* Prevent text selection */
}

/* Create the caret/arrow with a unicode, and style it */
.caret::before {
  content: "\25B6";
  color: black;
  display: inline-block;
  margin-right: 6px;
}

/* Rotate the caret/arrow icon when clicked on (using JavaScript) */
.caret-down::before {
  transform: rotate(90deg);
}

/* Hide the nested list */
.nested {
  display: none;
}

/* Show the nested list when the user clicks on the caret/arrow (with JavaScript) */
.active {
  display: block;
}

/*Floating Back-To-Top Button*/
#myBtn {
  position: fixed;
  z-index: 1000;  /* to top layer */
  bottom: 10px;
  float: right;
  right: 18.5%;
  left: 77.25%;
  max-width: 100px;
  width: 200%;
  font-size: 12px;
  border-color: rgba(85, 85, 85, 0.2);
  background-color: rgb(100,100,100);
  padding: .5px;
  border-radius: 4px;
}

/*On Hover Color Change*/
#myBtn:hover {
  background-color: #7dbbf1;
}