Custom styling for vim-mode-plus status line in Atom

styles.less

.vim-mode-plus-status(@color) {
  color: contrast(@color);
  background: @color;
  border-radius: 3px;
  line-height: 1em;
  padding: 5px 8px;
}

atom-workspace.theme-atom-material-ui {
  .status-bar-vim-mode-plus-insert {
    .vim-mode-plus-status(@background-color-success);
  }

  .status-bar-vim-mode-plus-normal {
    .vim-mode-plus-status(@background-color-info);
  }

  .status-bar-vim-mode-plus-visual {
    .vim-mode-plus-status(@background-color-warning);
  }

  .status-bar-vim-mode-plus-operator-pending::after {
    content: '...';
    .vim-mode-plus-status(@background-color-error);
  }
}