You can try the following bootstrap code:
<div class="col-md-4 col-md-offset-4">your div</div>
, , 3 , 12 , 4, 3 . div . col-md-4
4 .
: IntelliJ Idea, . , ?
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" />
<div class="container">
<form class="form-inline">
<fieldset>
<div class="col-md-4 col-md-offset-4">
<legend>Register</legend>
<div class="form-group">
<label class="col-sm-6 control-label" for="name">Name</label>
<div class="col-sm-6">
<input id="name" name="name" placeholder="Name" class="form-control input-md" required="" type="text">
</div>
</div>
<div class="form-group">
<label class="col-sm-6 control-label" for="email">Email</label>
<div class="col-sm-6">
<input id="email" name="email" placeholder="Email" class="form-control input-md" required="" type="email">
</div>
</div>
<div class="form-group">
<label class="col-sm-6 control-label" for="password">Password</label>
<div class="col-sm-6">
<input id="password" name="password" placeholder="Password" class="form-control input-md" required="" type="password">
</div>
</div>
<div class="form-group">
<label class="col-sm-6 control-label" for="password_confirmation">Confirm Password</label>
<div class="col-sm-6">
<input id="password_confirmation" name="password_confirmation" placeholder="Re-enter Password" class="form-control input-md" required="" type="password">
</div>
</div>
<div class="form-group">
<label class="col-sm-6 control-label" for="submit"></label>
<div class="col-sm-6">
<button id="submit" name="submit" class="btn btn-primary">Register</button>
</div>
</div>
</div>
</fieldset>
</form>
</div>