<html> <head> <link rel="stylesheet" type="text/css" href="/css/c3.css"> </head> <body> <div id="chart"></div> <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> <script src="/js/c3.js"></script> <script> var chart = c3.generate({ bindto: '#chart', data: { columns: [ ['sample', 30, 200, 100, 400, 150, 250] ] }, axis: { // rotated: true, }, grid: { x: { lines: [{value: 3, text:'Lable 3'}, {value: 4.5, text: 'Lable 4.5'}] } } }); </script> </body> </html>