:root {
  --less-button-b-color: #f0f0fa;
  --less-button-color: #3391ff;
  
  --less-strong-button-b-color: #f0f0fa;
  --less-strong-button-color: #0076ee;

  --button-b-color: #3391ff;
  --button-color: #fff;

  --strong-button-b-color: #0076ee;
  --strong-button-color: #fff;
}