Div Slider

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<div class='toolbar'>
    <div>
        <button id="button1">Slide it</button>
    </div>
    <div class="inner is-hidden">
        <div id="divA">
            <input type="text" />
            <input type="password" />
        </div>
        <div id="divB">
            <button>Button B</button>
            <button>Button C</button>
        </div>
    </div>
</div>

CSS

.toolbar {
    width: 100%;
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    margin: 0px auto;
    padding: 5px 0px;
    background-color: skyblue;
}

#divA,
#divB {
    display: inline;
}

.inner {
    float: right;
    display: none;
	padding-right: 20px;
}

#button1 {
    float: right;
    margin-right: 5px;
}

input,
button {
    padding: 5px;
}

JavaScript

$('#button1').on('click', function() {
	animateDiv();
})

$(document).keyup(function(e) {
	if (e.keyCode === 27 && $('.inner').hasClass('visible')) {
		animateDiv();
	}
})

function animateDiv () {
	$('.inner').toggleClass('visible');
	$('.inner').animate({
		width: 'toggle',
	},350);
}