The following code shows how to create even columns with col-6.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.8.3.js'></script>
<link rel="stylesheet" type="text/css"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-rc1/css/bootstrap.min.css">
<script type='text/javascript'
src="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-rc1/js/bootstrap.min.js"></script>
<style type='text/css'>
.container {<!--from w w w. ja v a 2 s . com-->
background: green;
overflow: hidden;
}
.row>* {
background: blue;
color: #fff;
}
.row :first-child {
background: red;
}
/* Overwrite bootsrap */
.row-offset-0 {
margin-left: 0;
margin-right: 0;
}
.row-offset-0>* {
padding-left: 0;
padding-right: 0;
}
</style>
</head>
<body>
<div class="container">
<div class="row row-offset-0">
<div class="col-6 col-sm-6 col-lg-6">Col 1</div>
<div class="col-6 col-sm-6 col-lg-6">Col 2</div>
</div>
</div>
</body>
</html>