Method reset

src/material/grid-list/tile-styler.ts:247–254

(list: TileStyleTarget)

  }

  reset(list: TileStyleTarget) {
    list._setListStyle(['paddingBottom', null]);

    list._tiles.forEach(tile => {
      tile._setStyle('marginTop', null);
      tile._setStyle('paddingTop', null);
    });
  }

  private _parseRatio(value: string): void {
    const ratioParts = value.split(':');