my Mac atom stylesheet

styles.less

// style the background color of the tree view
.tree-view {
  // background-color: whitesmoke;
  font-family: Inconsolata, Monaco, Consolas, 'Courier New', Courier;
  font-size: 15px;
}
atom-workspace {
  font-family: Inconsolata, Monaco, Consolas, 'Courier New', Courier;
  // font-size: 15px;
}
// style the background and foreground colors on the atom-text-editor-element itself
atom-text-editor {
  // color: white;
  // background-color: hsl(180, 24%, 12%);
}
// style UI elements inside atom-text-editor
atom-text-editor .cursor {
  // border-color: red;
}
// bracket style
atom-text-editor .bracket-matcher .region {
  border-bottom: 1px solid lime;
  position: absolute;
  border: 3px solid rgba(0, 255, 0, 0.7);
  border-radius: 3px;
  background-color: rgba(0, 255, 0, 0.5);
  // z-index: 100;
}
// line highlight
atom-text-editor .lines .line.cursor-line {
   background-color: rgba(240, 240, 240,.1);
}