HTML

Bootstrap inline your form with Bootstrap

<form class="form-inline py-3">
  <input type="text" class="form-control"/>
  <input type="text" class="form-control"/>
  <button type="submit" class="btn btn-primary">Submit</button>
</form>

bootstrap form

<form class="row g-3">
  <div class="col-md-6">
    <label for="inputEmail4" class="form-label">Email</label>
    <input type="email" class="form-control" id="inputEmail4">
  </div>
  <div class="col-md-6">
    <label for="inputPassword4" class="form-label">Password</label>
    <input type="password" class="form-control" id="inputPassword4">
  </div>
  <div class="col-12">
    <label for="inputAddress" class="form-label">Address</label>
    <input type="text" class="form-control" id="inputAddress" placeholder="1234 Main St">
  </div>
  <div class="col-12">
    <label for="inputAddress2" class="form-label">Address 2</label>
    <input type="text" class="form-control" id="inputAddress2" placeholder="Apartment, studio, or floor">
  </div>
  <div class="col-md-6">
    <label for="inputCity" class="form-label">City</label>
    <input type="text" class="form-control" id="inputCity">
  </div>
  <div class="col-md-4">
    <label for="inputState" class="form-label">State</label>
    <select id="inputState" class="form-select">
      <option selected>Choose...</option>
      <option>...</option>
    </select>
  </div>
  <div class="col-md-2">
    <label for="inputZip" class="form-label">Zip</label>
    <input type="text" class="form-control" id="inputZip">
  </div>
  <div class="col-12">
    <div class="form-check">
      <input class="form-check-input" type="checkbox" id="gridCheck">
      <label class="form-check-label" for="gridCheck">
        Check me out
      </label>
    </div>
  </div>
  <div class="col-12">
    <button type="submit" class="btn btn-primary">Sign in</button>
  </div>
</form>

bootstrap horizontal form

<form>
  <div class="form-group row">
    <label for="inputEmail3" class="col-sm-2 col-form-label">Email</label>
    <div class="col-sm-10">
      <input type="email" class="form-control" id="inputEmail3" placeholder="Email">
    </div>
  </div>
  <div class="form-group row">
    <label for="inputPassword3" class="col-sm-2 col-form-label">Password</label>
    <div class="col-sm-10">
      <input type="password" class="form-control" id="inputPassword3" placeholder="Password">
    </div>
  </div>
  <fieldset class="form-group">
    <div class="row">
      <legend class="col-form-label col-sm-2 pt-0">Radios</legend>
      <div class="col-sm-10">
        <div class="form-check">
          <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios1" value="option1" checked>
          <label class="form-check-label" for="gridRadios1">
            First radio
          </label>
        </div>
        <div class="form-check">
          <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios2" value="option2">
          <label class="form-check-label" for="gridRadios2">
            Second radio
          </label>
        </div>
        <div class="form-check disabled">
          <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios3" value="option3" disabled>
          <label class="form-check-label" for="gridRadios3">
            Third disabled radio
          </label>
        </div>
      </div>
    </div>
  </fieldset>
  <div class="form-group row">
    <div class="col-sm-2">Checkbox</div>
    <div class="col-sm-10">
      <div class="form-check">
        <input class="form-check-input" type="checkbox" id="gridCheck1">
        <label class="form-check-label" for="gridCheck1">
          Example checkbox
        </label>
      </div>
    </div>
  </div>
  <div class="form-group row">
    <div class="col-sm-10">
      <button type="submit" class="btn btn-primary">Sign in</button>
    </div>
  </div>
</form>

bootstrap form

<form>
  <div class="form-group row">
    <label for="staticEmail" class="col-sm-2 col-form-label">Email</label>
    <div class="col-sm-10">
      <input type="text" readonly class="form-control-plaintext" id="staticEmail" value="email@example.com">
    </div>
  </div>
  <div class="form-group row">
    <label for="inputPassword" class="col-sm-2 col-form-label">Password</label>
    <div class="col-sm-10">
      <input type="password" class="form-control" id="inputPassword" placeholder="Password">
    </div>
  </div>
</form>

bootstrap form

<form>
  <fieldset>
    <legend>Legend</legend>
    <div class="form-group row">
      <label for="staticEmail" class="col-sm-2 col-form-label">Email</label>
      <div class="col-sm-10">
        <input type="text" readonly="" class="form-control-plaintext" id="staticEmail" value="email@example.com">
      </div>
    </div>
    <div class="form-group">
      <label for="exampleInputEmail1" class="form-label mt-4">Email address</label>
      <input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp" placeholder="Enter email">
      <small id="emailHelp" class="form-text text-muted">We'll never share your email with anyone else.</small>
    </div>
    <div class="form-group">
      <label for="exampleInputPassword1" class="form-label mt-4">Password</label>
      <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
    </div>
    <div class="form-group">
      <label for="exampleSelect1" class="form-label mt-4">Example select</label>
      <select class="form-select" id="exampleSelect1">
        <option>1</option>
        <option>2</option>
        <option>3</option>
        <option>4</option>
        <option>5</option>
      </select>
    </div>
    <div class="form-group">
      <label for="exampleSelect2" class="form-label mt-4">Example multiple select</label>
      <select multiple="" class="form-select" id="exampleSelect2">
        <option>1</option>
        <option>2</option>
        <option>3</option>
        <option>4</option>
        <option>5</option>
      </select>
    </div>
    <div class="form-group">
      <label for="exampleTextarea" class="form-label mt-4">Example textarea</label>
      <textarea class="form-control" id="exampleTextarea" rows="3"></textarea>
    </div>
    <div class="form-group">
      <label for="formFile" class="form-label mt-4">Default file input example</label>
      <input class="form-control" type="file" id="formFile">
    </div>
    <fieldset class="form-group">
      <legend class="mt-4">Radio buttons</legend>
      <div class="form-check">
        <label class="form-check-label">
          <input type="radio" class="form-check-input" name="optionsRadios" id="optionsRadios1" value="option1" checked="">
          Option one is this and that—be sure to include why it's great
        </label>
      </div>
      <div class="form-check">
        <label class="form-check-label">
          <input type="radio" class="form-check-input" name="optionsRadios" id="optionsRadios2" value="option2">
          Option two can be something else and selecting it will deselect option one
        </label>
      </div>
      <div class="form-check disabled">
        <label class="form-check-label">
          <input type="radio" class="form-check-input" name="optionsRadios" id="optionsRadios3" value="option3" disabled="">
          Option three is disabled
        </label>
      </div>
    </fieldset>
    <fieldset class="form-group">
      <legend class="mt-4">Checkboxes</legend>
      <div class="form-check">
        <input class="form-check-input" type="checkbox" value="" id="flexCheckDefault">
        <label class="form-check-label" for="flexCheckDefault">
          Default checkbox
        </label>
      </div>
      <div class="form-check">
        <input class="form-check-input" type="checkbox" value="" id="flexCheckChecked" checked="">
        <label class="form-check-label" for="flexCheckChecked">
          Checked checkbox
        </label>
      </div>
    </fieldset>
    <fieldset>
      <legend class="mt-4">Switches</legend>
      <div class="form-check form-switch">
        <input class="form-check-input" type="checkbox" id="flexSwitchCheckDefault">
        <label class="form-check-label" for="flexSwitchCheckDefault">Default switch checkbox input</label>
      </div>
      <div class="form-check form-switch">
        <input class="form-check-input" type="checkbox" id="flexSwitchCheckChecked" checked="">
        <label class="form-check-label" for="flexSwitchCheckChecked">Checked switch checkbox input</label>
      </div>
    </fieldset>
    <fieldset class="form-group">
      <legend class="mt-4">Ranges</legend>
        <label for="customRange1" class="form-label">Example range</label>
        <input type="range" class="form-range" id="customRange1">
        <label for="disabledRange" class="form-label">Disabled range</label>
        <input type="range" class="form-range" id="disabledRange" disabled="">
        <label for="customRange3" class="form-label">Example range</label>
        <input type="range" class="form-range" min="0" max="5" step="0.5" id="customRange3">
    </fieldset>
    <button type="submit" class="btn btn-primary">Submit</button>
  </fieldset>
</form>