message: Fix size for checkbox svg
diff: -@mixin svg($background-color, $border-color, $checkmark-color: white) {
  - border-color: $border-color;
  +@mixin svg($background-color, $checkmark-color: white) {
  + border: none;
  background-color: $background-color;
  fill: $checkmark-color;
  }
  }
  .sv-checkbox--allowhover:hover {
  .sv-checkbox__svg {
  - @include svg($main-hover-color, $main-hover-color);
  + @include svg($main-hover-color);
  }
  }
  .sv-checkbox--checked .sv-checkbox__svg {
  - @include svg($main-color, $main-color);
  + @include svg($main-color);
  }
  .sv-checkbox--checked.sv-checkbox--disabled .sv-checkbox__svg {
  - @include svg($disable-color, $disable-color);
  + @include svg($disable-color);
  }
  .sv-checkbox--disabled .sv-checkbox__svg {
  - @include svg(inherit, $disable-color, transparent);
  + border: 3px solid $disable-color;
  }
  