JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap-responsive.css">
<script src="http://twitter.github.com/bootstrap/assets/js/bootstrap.js"></script>
<div id="actionWrapper"><div class="btn-group open">
                                                            <button data-href="" class="btn btn-info action">Action</button>
                                                            <button class="btn btn-info dropdown-toggle" data-toggle="dropdown">
                                                                <span class="caret"></span>
                                                            </button>
                                                            <ul class="dropdown-menu">
                                                                <li>
                                                                    <a data-href="" class="btn btn-info" target="_blank">
                                                                        1<i class="icon-arrow-right icon-white pull-right"></i>
                                                                    </a>
                                                                </li><li>
                                                                    <a data-href="" class="btn btn-info" target="_blank">
                                                                        2<i class="icon-arrow-right icon-white pull-right"></i>
                                                                    </a>
                                                                </li><li>
                                                                    <a data-href="" class="btn btn-info" target="_blank">
                                                                        3<i class="icon-arrow-right icon-white pull-right"></i>
                                                  ...

CSS

#actionWrapper .btn-group {
    min-width: 123px !important;
    max-width: 123px !important;    
    margin: 5px 0 0 2px;
    display: inline-block;
}

#actionWrapper .btn-group .action {
    min-width: 98px !important;
    max-width: 98px !important;    
}

#actionWrapper .btn-group .dropdown-menu {
    padding: 0 !important;
    border: none !important;
    background-color: transparent !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    box-shadow: none !important;
}

#actionWrapper .btn-group ul {
    min-width: 123px !important;
    max-width: 123px !important;
}

#actionWrapper .btn-group .dropdown-menu a {
    margin: 2px 0;
    color: #FFFFFF !important;
}