/* http://www.w3schools.com/cssref/css_colorsfull.asp */

.video_link {
	fill: none;
	stroke: #C0C0C0;
	stroke-dasharray: 2 4;
	stroke-width: 3px;
}

.btn {
	min-width: 30px;
}

.svg {
	float: left;
/* 	margin-top: 200px;  */
}

.first-rows {
	margin-bottom: 15px;
	margin-top: 20px;
	text-align: center;
}

.graph_images {
	cursor: pointer;
}

.rect_video {
	fill: none;
	display: none;
	opacity: 0.5;
	stroke-width: 4;
}


.word_cloud {
	display: none;
	cursor: pointer;
	font-size: 13px;
	color: #707070;
}

.node text {
	pointer-events: none;
}

#graph_container .tab-content {
	overflow-x:hidden;
	overflow-y:auto;
}

rect.primary {
	fill: #0088cc;
}

rect.secondary {
	fill: grey;
}

rect.fixed {
	fill: #f00;
}

/* http://www.w3schools.com/cssref/css_colorsfull.asp */

.video_link {
	fill: none;
	stroke: #C0C0C0;
	stroke-dasharray: 2 4;
	stroke-width: 3px;
}

.btn {
	min-width: 30px;
}

.svg {
	float: left;
/* 	margin-top: 200px;  */
}

.first-rows {
	margin-bottom: 15px;
	margin-top: 20px;
	text-align: center;
}

.graph_images {
	cursor: pointer;
}

.rect_video {
	fill: none;
	display: none;
	opacity: 0.5;
	stroke-width: 4;
}


.word_cloud {
	display: none;
	cursor: pointer;
	font-size: 13px;
	color: #707070;
}

.node text {
	pointer-events: none;
}

#graph_container .tab-content {
	overflow-x:hidden;
	overflow-y:auto;
}

rect.primary {
	fill: #0088cc;
}

rect.secondary {
	fill: grey;
}

Remove red color on fixed node
Remove red color on fixed node