Radium requires each element with interactive styles to have a unique key, set using either the ref or key prop
<ul className='list-unstyled last__category'>
<li>
<h5 style={style.listCategoryTitle} key={Math.random()}>
Tablet
</h5>
</li>
<li>
<a href='#/' style={style.listCategorySubtitle} key={Math.random()}>
Android
</a>
</li>
<li>
<a href='#/' style={style.listCategorySubtitle} key={Math.random()}>
IPad
</a>
</li>
<li>
<a href='#/' style={style.listCategorySubtitle} key={Math.random()}>
Windows Phone
</a>
</li>
</ul>