<style type="text/css">
    #tagcloud a {
        margin-right: 1em; 
    }
</style>

<section data-ng-controller="UsersController">
    <div class="container">
        <h3>Tag Cloud</h3>
        <div id="tagcloud" class="row" style="padding-bottom: 12px; padding-top: 16px;">
            <a ng-repeat="skill in skills" href="/skills/{{skill[0]}}" style="font-size:{{skill[1]}}em">{{skill[0]}} ({{skill[1]}})</a>
        </div>
    </div>
</section>

<style type="text/css">
    #tagcloud a {
        margin-right: 1em; 
    }
</style>

<section data-ng-controller="UsersController">
    <div class="container">
        <h3>Tag Cloud</h3>
        <div id="tagcloud" class="row" style="padding-bottom: 12px; padding-top: 16px;">
            <a ng-repeat="skill in skills" href="/skills/{{skill[0]}}" style="font-size:{{skill[1]}}em">{{skill[0]}}&nbsp;({{skill[1]}})</a>
        </div>
    </div>
</section>

Add @nbsp; in cloud tag
Add @nbsp; in cloud tag
