message: Card: fixed bug with left extra margin
diff: .CardGrid .Card {
  float: left;
  margin-top: 8px;
  + margin-left: 4px;
  + margin-right: 4px;
  }
  .CardGrid .Card--sz-l {
  - width: 100%;
  + width: calc(100% - 8px);
  }
  .CardGrid .Card--sz-m {
  - width: calc((100% - 8px) / 2);
  -}
  -
  -.CardGrid .Card--sz-m + .Card--sz-m {
  - margin-left: 8px;
  + width: calc((100% - 2 * 8px) / 2);
  }
  .CardGrid .Card--sz-s {
  - width: calc((100% - 2 * 8px) / 3);
  -}
  -
  -.CardGrid .Card--sz-s + .Card--sz-s {
  - margin-left: 8px;
  + width: calc((100% - 3 * 8px) / 3);
  }
  /**
  */
  .CardGrid--ios {
  - padding-left: 12px;
  - padding-right: 12px;
  + padding-left: 8px;
  + padding-right: 8px;
  }
  /**
  .CardGrid--android,
  .CardGrid--vkcom {
  - padding-left: 16px;
  - padding-right: 16px;
  + padding-left: 12px;
  + padding-right: 12px;
  }
  