demo.css

.window {
    background-color:white;
    border:1px solid #346789;
    box-shadow: 2px 2px 19px #e0e0e0;
    -o-box-shadow: 2px 2px 19px #e0e0e0;
    -webkit-box-shadow: 2px 2px 19px #e0e0e0;
    -moz-box-shadow: 2px 2px 19px #e0e0e0;
    -moz-border-radius:0.5em;
    border-radius:0.5em;
    width:5em; height:5em;
    position:absolute;
    color:black;
    padding:0.5em;
    width:80px;
    height:80px;
    line-height: 80px;
    -webkit-transition: -webkit-box-shadow 0.15s ease-in;
    -moz-transition: -moz-box-shadow 0.15s ease-in;
    -o-transition: -o-box-shadow 0.15s ease-in;
    transition: box-shadow 0.15s ease-in;
}

.window:hover {
    border:1px solid #123456;
    box-shadow: 2px 2px 19px #444;
    -o-box-shadow: 2px 2px 19px #444;
    -webkit-box-shadow: 2px 2px 19px #444;
    -moz-box-shadow: 2px 2px 19px #fff;
    opacity:0.9;
    filter:alpha(opacity=90);
}

.window a {
    font-family:helvetica;
}

.flowchart-demo .window { border:1px solid #346789;
box-shadow: 2px 2px 19px #aaa;
   -o-box-shadow: 2px 2px 19px #aaa;
   -webkit-box-shadow: 2px 2px 19px #aaa;
   -moz-box-shadow: 2px 2px 19px #aaa;
-moz-border-radius:0.5em;
border-radius:0.5em;
opacity:0.8;
filter:alpha(opacity=80);

text-align:center;
z-index:20; position:absolute;
background-color:#eeeeef;
color:black;
font-family:helvetica;padding:0.5em;
font-size:0.9em;
}

.flowchart-demo .window:hover {
	box-shadow: 2px 2px 19px #444;
   -o-box-shadow: 2px 2px 19px #444;
   -webkit-box-shadow: 2px 2px 19px #444;
   -moz-box-shadow: 2px 2px 19px #444;
    opacity:0.6;
	filter:alpha(opacity=60);
}

.flowchart-demo .active {
	border:1px dotted green;
}
.flowchart-demo .hover {
	border:1px dotted red;
}

#flowchartWindow1 { top:34em;left:5em;}
#flowchartWindow2 { top:7em; left:36em;}
#flowchartWindow3 { top:27em;left:48em; }
#flowchartWindow4 { top:23em; left:22em;}
.flowchart-demo ._jsPlumb_connector { z-index:4; }
.flowchart-demo ._jsPlumb_endpoint, .endpointTargetLabel, .endpointSourceLabel{ z-index:21;cursor:pointer; }

.flowchart-demo .aLabel {
 	background-color:white; 
	padding:0.4em; 
	font:12px sans-serif; 
	color:#444;
	z-index:21;
	border:1px dotted gray;
	opacity:0.8;
	filter:alpha(opacity=80);
	cursor: pointer;
}
.flowchart-demo .aLabel._jsPlumb_hover {
	background-color:#5C96BC;
	color:white;	
	border:1px solid white;
}

.window._jsPlumb_connected {
    border:2px solid green;
}

.jsplumb-drag {
    border:4px solid pink !important;
}