.node text {
  font: 10px sans-serif;
  pointer-events: none;
}

path.link {
  fill: none;
  stroke: #9ecae1;
  stroke-width: 1.5px;
}

#tabs {
 width: 1000px;
 margin-left: auto;
 margin-right: auto;
}

/* #chart { */
/*  float: left; */
/* } */

#key {
 float: left;
 border: 2px solid #3182bd;
 margin-left: 50px;
}


#popup_box { 

    position:fixed;  
    _position:absolute; /* hack for internet explorer 6 */  
    height:600px;  
    width:400px;  
    background:#fefefe;  
    right: 50px;
    top: 50px;
    z-index:100; /* Layering ( on-top of others), if you have lots of layers: I just maximized, you can change it yourself */
    margin-left: 15px;  
    
    /* additional features, can be omitted */
    border:2px solid #666666;      
    padding:15px;  
    font-size:15px;  
    box-shadow: 2px 2px 5px #555555;

    overflow:auto;
}

/* #chart{ */
/*   height: 1000px; */
/*   width: 1000px; */
/*   overflow-y:scroll; */
/* } */

#filter_box { 

    position:fixed;  
    _position:absolute; /* hack for internet explorer 6 */  
    height:300px;  
    width:400px;  
    background:#fefefe;  
    right: 50px;
    top: 700px;
    z-index:100; /* Layering ( on-top of others), if you have lots of layers: I just maximized, you can change it yourself */
    margin-left: 15px;  
    
    /* additional features, can be omitted */
    border:2px solid #666666;      
    padding:15px;  
    font-size:15px;  
    box-shadow: 2px 2px 5px #555555;

    overflow:auto;
}

.constraint_box { 
    background:#ffffff;  
    z-index:150; /* Layering ( on-top of others), if you have lots of layers: I just maximized, you can change it yourself */
    margin-left: 15px;  
    
    /* additional features, can be omitted */
    border:2px solid #666666;      
    padding:15px;  
    font-size:15px;  
    box-shadow: 2px 2px 5px #555555;

    /* overflow:auto; */

}


.node rect {
  cursor: pointer;
  fill: #fff;
  fill-opacity: .25;
  stroke: #000000;
  stroke-width: 0.2px;
}

.node text {
  font: 12px sans-serif;
  pointer-events: none;
}

path.link {
  fill: none;
  stroke: #dddddd;
  stroke-width: 1.5px;
}

.constraint {
    font-size: 12px;
}