Atom Editor Tree View Hackage

gistfile1.less

.tree-view {

	font-size: 115%;
	font-family: 'mono';
	background: rgba(18, 19, 22, 0) !important;
	overflow-y: auto;

	.selected::before {
		display: none;
	}

	.icon::before {
			display: none;
	}

	li.expanded::after {
		display: block;
		width: 100%;
		height: 100%;
	}
	li.expanded {
		position: relative;
		margin: 5px -70px 5px 0;
		border: 1px solid rgba(195, 225, 255, 0.36);
		background: rgba(16, 17, 18, 1);
	}

	li {
		clear: both;
		padding: 0px 10px !important;
		float: left;
		overflow-x: visible;
	}
	.list-tree {
		padding-left: 5px;
	}
}

Thank you.