form desing in bootstrap code example

Example 1: boostrap form

<form>
  <div class="form-group">
    <label for="exampleInputEmail1">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">Password</label>
    <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
  </div>
  <div class="form-check">
    <input type="checkbox" class="form-check-input" id="exampleCheck1">
    <label class="form-check-label" for="exampleCheck1">Check me out</label>
  </div>
  <button type="submit" class="btn btn-primary">Submit</button>
</form>

Example 2: bootstrap form-control inline

<div class="form-group">
    <label for="birthday" class="col-xs-2 control-label">Birthday</label>
    <div class="col-xs-10">
        <div class="form-inline">
            <div class="form-group">
                <input type="text" class="form-control" placeholder="year"/>
            </div>
            <div class="form-group">
                <input type="text" class="form-control" placeholder="month"/>
            </div>
            <div class="form-group">
                <input type="text" class="form-control" placeholder="day"/>
            </div>
        </div>
    </div>
</div>

Example 3: bootstrap forms examples

<!-- Default form login -->
<form class="text-center border border-light p-5" action="#!">

    <p class="h4 mb-4">Sign in</p>

    <!-- Email -->
    <input type="email" id="defaultLoginFormEmail" class="form-control mb-4" placeholder="E-mail">

    <!-- Password -->
    <input type="password" id="defaultLoginFormPassword" class="form-control mb-4" placeholder="Password">

    <div class="d-flex justify-content-around">
        <div>
            <!-- Remember me -->
            <div class="custom-control custom-checkbox">
                <input type="checkbox" class="custom-control-input" id="defaultLoginFormRemember">
                <label class="custom-control-label" for="defaultLoginFormRemember">Remember me</label>
            </div>
        </div>
        <div>
            <!-- Forgot password -->
            <a href="">Forgot password?</a>
        </div>
    </div>

    <!-- Sign in button -->
    <button class="btn btn-info btn-block my-4" type="submit">Sign in</button>

    <!-- Register -->
    <p>Not a member?
        <a href="">Register</a>
    </p>

    <!-- Social login -->
    <p>or sign in with:</p>

    <a href="#" class="mx-2" role="button"><i class="fab fa-facebook-f light-blue-text"></i></a>
    <a href="#" class="mx-2" role="button"><i class="fab fa-twitter light-blue-text"></i></a>
    <a href="#" class="mx-2" role="button"><i class="fab fa-linkedin-in light-blue-text"></i></a>
    <a href="#" class="mx-2" role="button"><i class="fab fa-github light-blue-text"></i></a>

</form>
<!-- Default form login -->