Dropdown container not showing right padding - html

Question

I'm kinda new to HTML/CSS, and I'm trying to create a page with a login dropdown, but for some reason there's no padding on the right side of it. How can I fix it?
I wasn't able to find a solution.
<div class="navbar navbar-fixed-top navbar-default">
<div class="navbar-header"><a class="navbar-brand">My Site</a>
<a class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="glyphicon glyphicon-bar"></span>
<span class="glyphicon glyphicon-bar"></span>
<span class="glyphicon glyphicon-bar"></span>
</a>
</div>
<div class="container">
<div class="navbar-collapse">
<ul class="nav pull-right navbar-nav">
<li>Sign Up
</li>
<li class="divider-vertical"></li>
<li class="dropdown"> <a class="dropdown-toggle" href="#" data-toggle="dropdown">Sign In <strong class="caret"></strong></a>
<div class="dropdown-menu" style="padding: 10px;min-width:240px;">
Login via
<div class="social-buttons">
<i class="fa fa-facebook"></i> Facebook
</div>
or
<form action="[YOUR ACTION]" method="post" role="form" class="form-horizontal">
<input class="form-control" id="inputEmail1" placeholder="Email" type="email" style="margin-bottom:.5em">
<input class="form-control" id="inputPassword1" placeholder="Password" type="password" style="margin-bottom:.5em">
<div class="checkbox">
<label>
<input type="checkbox">Remember me</label>
</div>
<input class="btn btn-primary" style="margin-top:.75em;width: 100%; height: 32px; font-size: 13px;" type="submit" name="commit" value="Sign In">
</form>
</div>
</li>
</ul>
</div>
</div>
</div>

Answer 1

As Bootstrap Documentation says, sometimes you will need to place your dropdown container in a different position, for those cases you need to add the dropdown-menu-right class like so:
<div class="dropdown-menu dropdown-menu-right" style="padding: 10px;min-width:240px;">
Here's a JSFiddle with the example working:
JSFiddle

Answer 2

Your HTML structure should be changed to reflect the base Bootstrap classes. Pull-right isn't respected in the way you're using it, use navbar-right instead. Check the Docs to see the options you have by default.
*Also this class doesn't exist > <span class="glyphicon glyphicon-bar"></span>
See working example Snippet.
.navbar .dropdown-menu-fb {
padding: 10px;
min-width: 240px;
}
.navbar .navbar-toggle {
padding: 5px 10px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css" rel="stylesheet" />
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" />
<div class="navbar navbar-fixed-top navbar-default">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-nav" aria-expanded="false"> <i class="fa fa-bars"></i>
</button>My Site
</div>
<div class="collapse navbar-collapse" id="bs-nav">
<ul class="nav navbar-nav navbar-right">
<li>Sign Up
</li>
<li class="dropdown"> <a class="dropdown-toggle" href="#" data-toggle="dropdown">Sign In <span class="caret"></span></a>
<ul class="dropdown-menu dropdown-menu-fb">
<li class="btn btn-default navbar-btn btn-block"> <i class="fa fa-facebook"></i> Login via Facebook
</li>
<li>
<form action="[YOUR ACTION]" method="post" role="form">
<p class="text-center">or Sign Up</p>
<div class="form-group">
<input class="form-control" id="inputEmail1" placeholder="Email" type="email">
</div>
<div class="form-group">
<input class="form-control" id="inputPassword1" placeholder="Password" type="password">
</div>
<div class="form-group">
<div class="checkbox">
<label>
<input type="checkbox">Remember me</label>
</div>
</div>
<div class="form-group">
<input class="btn btn-primary navbar-btn btn-block" type="submit" name="commit" value="Sign In">
</div>
</form>
</li>
</ul>
</li>
</ul>
</div>
</div>
</div>

Answer 3

The container is too big and it go out of the screen?
Work on min-width and let container stay inside the viewport, than focus on padding.
<div class="dropdown-menu" style="padding: 10px;min-width:200px;">
probably you will have to work on dropdown-menu to fix it, we need the css code