message: Fix bug where tolerations editor is unusable below 376px
  Fixes
diff: @@ -120,7 +120,7 @@ class TolerationsModal extends PromiseComponent {
  {_.map(tolerations, (t, i) => {
  const { key, operator, value, effect = '' } = t;
  return <div className="row" key={i}>
  - <div className="col-md-4 col-sm-6 col-xs-6 toleration-modal__field">
  + <div className="col-md-4 col-sm-5 col-xs-5 toleration-modal__field">
  <div className="hidden-md hidden-lg text-secondary text-uppercase">Key</div>
  <input type="text" className="form-control" value={key} onChange={(e) => this._change(e, i, 'key')} readOnly={!this._isEditable(t)} />
  </div>
  @@ -137,7 +137,7 @@ class TolerationsModal extends PromiseComponent {
  : (<input type="text" className="form-control" value={operator} readOnly />)}
  </div>
  <div className="clearfix visible-sm visible-xs"></div>
  - <div className="col-md-3 col-sm-6 col-xs-6 toleration-modal__field">
  + <div className="col-md-3 col-sm-5 col-xs-5 toleration-modal__field">
  <div className="hidden-md hidden-lg text-secondary text-uppercase">Value</div>
  <input
  type="text"
  @@ -158,7 +158,7 @@ class TolerationsModal extends PromiseComponent {
  title={effects[effect]} />
  : <input type="text" className="form-control" value={effects[effect]} readOnly />}
  </div>
  - <div className="col-md-1">
  + <div className="col-md-1 col-sm-2 col-xs-2">
  {this._isEditable(t) && (
  <button type="button" className="btn btn-link btn-link--inherit-color toleration-modal__delete-icon" onClick={() => this._remove(i)} aria-label="Delete">
  <i className="fa fa-minus-circle pairs-list__side-btn pairs-list__delete-icon" aria-hidden="true" />
  