.tree_img_tree img {
    width: 50px;
    height: 50px;
    border-radius: 500px;
}
.tree_img_tree p {
    display: inline-block;
	margin-top: 5px;
    font-size: 14px;
 }
 .Demo_head_bg p {
    color: white;
	font-size: 15px;
	font-weight:600
}
.Demo_head_bg {
    background-color: #40b7e5;
    padding: 5px;
    text-align:center
}
.binary_bg {
	background-color: #f0f3f4;
	text-align:center
	
}
.list-group {
    padding-left: 0;
    margin-bottom: 0px;
}
.list-group-item {
    position: relative;
    display: block;
    padding: 3px 3px 23px;
    margin-bottom: -1px;
    background-color: #fff;
    border: 1px solid #ddd;
}