/*Now the CSS*/
* {margin: 0; padding: 0;}

.tree ul {
    padding-top: 20px; position: relative;
    
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
}

.tree li {
    float: left; text-align: center;
    list-style-type: none;
    position: relative;
    padding: 20px 5px 0 5px;
    
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
}

/*We will use ::before and ::after to draw the connectors*/

.tree li::before, .tree li::after{
    content: '';
    position: absolute; top: 0; right: 50%;
    border-top: 1px solid #ccc;
    width: 50%; height: 20px;
}
.tree li::after{
    right: auto; left: 50%;
    border-left: 1px solid #ccc;
}

/*We need to remove left-right connectors from elements without 
any siblings*/
.tree li:only-child::after, .tree li:only-child::before {
    display: none;
}

/*Remove space from the top of single children*/
.tree li:only-child{ padding-top: 0;}

/*Remove left connector from first child and 
right connector from last child*/
.tree li:first-child::before, .tree li:last-child::after{
    border: 0 none;
}
/*Adding back the vertical connector to the last nodes*/
.tree li:last-child::before{
    border-right: 1px solid #ccc;
    border-radius: 0 5px 0 0;
    -webkit-border-radius: 0 5px 0 0;
    -moz-border-radius: 0 5px 0 0;
}
.tree li:first-child::after{
    border-radius: 5px 0 0 0;
    -webkit-border-radius: 5px 0 0 0;
    -moz-border-radius: 5px 0 0 0;
}

/*Time to add downward connectors from parents*/
.tree ul ul::before{
    content: '';
    position: absolute; top: 0; left: 50%;
    border-left: 1px solid #ccc;
    width: 0; height: 20px;
}

.tree li a{
    border: 1px solid #ccc;
    padding: 5px 10px;
    text-decoration: none;
    color: #000;
    font-family: arial, verdana, tahoma;
    font-size: 11px;
    display: inline-block;
    
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
}

.level9 {
	background: #aaf;
}

.level8 {
	background: #fbb;
}

.level7 {
	background: #ddd;
}

.level6 {
	background: #ffb;
}

.level5 {
	background: #bfb;
}

.level4 {
	background: #fc9;
}

.level3 {
	background: #afe;
}

.level2 {
	background: #fbf;
	background: #d0c0e5;
}

.level1 {
	background: #dfe790;
}

/*Time for some hover effects*/
/*We will apply the hover effect the the lineage of the element also*/
.tree li a:hover, .tree li a:hover+ul li a {
   /* background: #c8e4f8; color: #000; border: 1px solid #94a0b4;*/
}
/*Connector styles on hover*/
.tree li a:hover+ul li::after, 
.tree li a:hover+ul li::before, 
.tree li a:hover+ul::before, 
.tree li a:hover+ul ul::before{
    /*border-color:  #94a0b4;*/
}

/*Thats all. I hope you enjoyed it.
Thanks :)*/

.tooltip {
  position: relative;
  display: inline-block;
  /*border-bottom: 1px dotted black;*/
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 180px;
  background-color: black;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px 0;
  position: absolute;
  z-index: 1;
  bottom: 100%;
  left: 50%;
  margin-left: -60px;
  
  /* Fade in tooltip - takes 1 second to go from 0% to 100% opac: */
  opacity: 0;
  transition: opacity 2s;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}