<form class="form" role="form">
    <div class="form-group">
        <label for="exampleInputEmail1">Email address</label>
        <input type="email" class="form-control" id="exampleInputEmail1" placeholder="Enter email">
    </div>
    <div class="form-group">
        <label for="exampleInputPassword1">Password</label>
        <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
    </div>
    <div class="form-group">
        <label for="exampleInputFile">File input</label>
        <input type="file" id="exampleInputFile">
        <p class="form-note">Example block-level help text here.</p>
    </div>
    <div class="checkbox">
        <label>
            <input type="checkbox"> Check me out
        </label>
    </div>
    <button type="submit" class="button">Submit</button>
</form>
            

<form class="form-inline" role="form">
    <div class="form-group">
        <div class="form-control-group">
            <div class="form-control-group-addon"><i class="fa fa-at"></i></div>
                <input class="form-control" type="email" placeholder="Enter email">
            </div>
        </div>
        <div class="form-group">
            <label class="sr-only" for="exampleInputPassword2">Password</label>
            <input type="password" class="form-control" id="exampleInputPassword2" placeholder="Password">
        </div>
        <div class="checkbox">
            <label>
                <input type="checkbox"> Remember me
            </label>
        </div>
    <button type="submit" class="button">Sign in</button>
</form>
            

<form class="form" action="">
    <div class="checkbox form-highlight">
        <label>
            <input type="checkbox"> <em>A far more important option</em>
            <span class="form-note">It will surely do something magical.</span>
        </label>
    </div>
    <div class="radio">
        <label>
            <input type="radio"> Available for hire
            <span class="form-note">This will do insanely <strong>awesome</strong> and <strong>amazing</strong> things!</span>
        </label>
    </div>
</form>
            

<form class="form" action="">
    <div class="form-control-group">
        <input class="form-control" type="text" placeholder="Username">
        <span class="form-control-group-button">
            <button class="button">
                <i class="fa fa-search"></i> <span class="sr-only">GO</span>
            </button>
        </span>
    </div>
</form>