JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.min.css">
<div class="mainContent">
    <div class="workplace_outter">
        <div class="workplace_inner">
            <div class="panel panel-default">
                <div class="panel-heading">
                    Item
                </div>
                <div class="panel-body">
                    Item Body....
                </div>
            </div>
            <div class="panel panel-default">
                <div class="panel-heading">
                    Item
                </div>
                <div class="panel-body">
                    Item Body....
                </div>
            </div>
            <div class="panel panel-default">
                <div class="panel-heading">
                    Item
                </div>
                <div class="panel-body">
                    Item Body....
                </div>
            </div>
            <div class="panel panel-default">
                <div class="panel-heading">
                    Item
                </div>
                <div class="panel-body">
                    Item Body....
                </div>
            </div>
            <div class="panel panel-default">
                <div class="panel-heading">
                    Item
                </div>
                <div class="panel-body">
                    Item Body....
                </div>
            </div>
            <div class="panel panel-default">
                <div class="panel-heading">
                    Item
                </div>
                <div class="panel-body">
                    Item Body....
                </div>
            </div>
            <div class="panel panel-default">
                <div class="panel-heading">
                    Item
                </div>
                <div class="panel-body">
                    Item Body....
                </div>
            </div>
           ...

CSS

html, body {
    height: 100%;
    min-height: 100%;
}

.mainContent{
    height: 100%;
}
.workplace_outter{
    width:100%;
    height: 100%;
}
.workplace_inner{
    width: 2000px;
    display: inline-block;
    height: 100%;
    font: 0/0 a;
    white-space: nowrap;
}
.workplace_outter .panel{
    width:300px;
    margin-right : 5px;
    display:inline-block;
    height: 100%;
}
.panel {
    /*like body*/
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 14px;
    line-height: 1.428571429;
}