subtractions between different units.\n   * Note that multiplications and divisions aren't supported.\n   *\n   * Valid examples are:\n   * ```\n   * 10\n   * '10%'\n   * '10, 10'\n   * '10%, 10'\n   * '10 + 10%'\n   * '10 - 5vh + 3%'\n   * '-10px + 5vh, 5px - 6%'\n   * ```\n   * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap\n   * > with their reference element, unfortunately, you will have to disable the `flip` modifier.\n   * > You can read more on this at...

1rem;\n}\n\n.form-text {\n  display: block;\n  margin-top: 0.25rem;\n}\n\n.form-row {\n  display: -ms-flexbox;\n  display: flex;\n  -ms-flex-wrap: wrap;\n  flex-wrap: wrap;\n  margin-right: -5px;\n  margin-left: -5px;\n}\n\n.form-row > .col,\n.form-row > [class*=\"col-\"] {\n  padding-right: 5px;\n  padding-left: 5px;\n}\n\n.form-check {\n  position: relative;\n  display: block;\n  padding-left: 1.25rem;\n}\n\n.form-check-input {\n  position: absolute;\n  margin-top: 0.3rem;\n  margin-left: -1.25rem;...