_nav.html

        <!-- Navigation -->
        <nav class="navbar navbar-default navbar-static-top" role="navigation" style="margin-bottom: 0">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a class="navbar-brand" href="index.html">Buscándonos</a>
            </div>
            <!-- /.navbar-header -->

            <ul class="nav navbar-top-links navbar-right">

              <li><a href="login.html"><i class="fa fa-sign-out fa-fw"></i> Logout</a> </li>

            </ul>
            <!-- /.navbar-top-links -->

            <div class="navbar-default sidebar" role="navigation">
                <div class="sidebar-nav navbar-collapse">
                    <ul class="nav" id="side-menu">
                        <li class="sidebar-search">
                            <div class="input-group custom-search-form">
                                <input type="text" class="form-control" placeholder="Search...">
                                <span class="input-group-btn">
                                <button class="btn btn-default" type="button">
                                    <i class="fa fa-search"></i>
                                </button>
                            </span>
                            </div>
                            <!-- /input-group -->
                        </li>
                        <li>
                            <a href="index.html"><i class="fa fa-dashboard fa-fw"></i> Dashboard</a>
                        </li>

                        <li>
                            <a href="tables.html"><i class="fa fa-table fa-fw"></i> Nuevo registro </a>
                        </li>
                        <li>
                            <a href="forms.html"><i class="fa fa-edit fa-fw"></i> Mis Registros</a>
                        </li>
                        <li>
                            <a href="#"><i class="fa fa-wrench fa-fw"></i> Datos abiertos</a>

                            <!-- /.nav-second-level -->
                        </li>
                    </ul>
                </div>
                <!-- /.sidebar-collapse -->
            </div>
            <!-- /.navbar-static-side -->
        </nav>

morris.min.css

.morris-hover{position:absolute;z-index:1000}.morris-hover.morris-default-style{border-radius:10px;padding:6px;color:#666;background:rgba(255,255,255,0.8);border:solid 2px rgba(230,230,230,0.8);font-family:sans-serif;font-size:12px;text-align:center}.morris-hover.morris-default-style .morris-hover-row-label{font-weight:bold;margin:0.25em 0}
.morris-hover.morris-default-style .morris-hover-point{white-space:nowrap;margin:0.1em 0}