Lovely scrollbars for Atom.

atom-scrollbars.less

atom-text-editor::shadow,
.tree-view-resizer {
    ::-webkit-scrollbar {
        width: 2px;
        height: 2px;
    }
    ::-webkit-scrollbar-track {
        background: #1a2127;
    }
    ::-webkit-scrollbar-thumb {
        background: #77b878;
    }
}