Bootstrap 3.1 Main Content

by GaryC123

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
<div class="container">
    <section>
        <br>
        <br>
        <div class="col-md-3">Left Column</div>
        <div class="col-md-6">Main Content</div>
        <div class="col-md-3">Right Column</div>
        <br>
        <br>
        <br>
        <div class="col-md-3">Left Column</div>
        <div class="col-md-9">Main Content</div>
        <br>
        <br>
        <br>
        <div class="col-md-9">Main Content</div>
        <div class="col-md-3">Right Column</div>
        <br>
        <br>
    </section>
</div>

CSS

div {
    border:1px solid black;
}