Less fx font-size depends on window screen width

less

.font-size-fx(@min-size: 15, @max-size: 25, @min-width: 768, @max-width: 1024){
  font-size: @max-size * 1px;
  font-size: ~"calc(@{min-size}px + (@{max-size} - @{min-size}) * ((100vw - @{min-width}px) / (@{max-width} - @{min-width})))";
  @media screen and (max-width: (@min-width + 1px))  { 
    font-size: @min-size * 1px;
  }
  @media screen and (min-width: (@max-width + 1px)) {
    font-size: @max-size * 1px;
  }
}