cosmoz-bottom-bar is a responsive bottom-bar that can house buttons/actions and a menu for the buttons that won't fit the available width.
Example:
<div style="padding: 0 18px;">
<h3>Sample page</h3>
<p>Nam non enim vitae mauris pharetra semper nec sed lectus.</p>
<p>Maecenas gravida sollicitudin mauris, id gravida odio commodo iaculis.</p>
<p>Nulla pulvinar justo vel sodales sollicitudin.</p>
<p>Proin turpis tortor, sagittis sit amet consequat ut, tempor non velit.</p>
<p>Proin finibus elit libero, vitae scelerisque lacus maximus ac.</p>
<p>Vivamus ut finibus ligula. Mauris sollicitudin vitae orci eu scelerisque.</p>
<p>Duis nec placerat mauris, at tincidunt libero.</p>
<p>Nullam non magna eget mauris porta tempor.</p>
<p>Proin non sagittis enim.</p>
<p>Sed pharetra ante ipsum, in porta dolor sagittis non.</p>
<p>Cras odio quam, pretium consectetur finibus eu, elementum at risus.</p>
<p>Proin feugiat vitae sem eu imperdiet.</p>
</div>
<cosmoz-bottom-bar active>
<div slot="info">5 dummy actions</div>
<paper-button>Action 1</paper-button>
<paper-button>Action 2</paper-button>
<paper-button>Action 3</paper-button>
<paper-button>Action 4</paper-button>
<paper-button>Action 5</paper-button>
</cosmoz-bottom-bar>