JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-collapse.js"></script>


    <div class="alert alert-info">Today's news
        <div class="pull-right"><a class="btn btn-small" data-toggle="collapse" data-target="#newsDiv"><i class="icon-chevron-down"></i></a></div>
    </div>
    <div id="newsDiv" class="collapse in">
        Today something happened<br>
        Also yesterday happened<br>
        Maybe tomorrow<br>
    </div>

CSS

@import url('http://twitter.github.com/bootstrap/assets/css/bootstrap.css');
@media (min-width : 320px) {
    *{
        disaply:none;
    }
}