var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',2,6,1,3,6,3,7,4,1,6,6,2,6,1,8], ['Bars',2,6,1,3,6,3,7,4,1,6,6,2,6,1,8] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for cgrcusum', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['05/14','05/16','05/17','05/18','05/20','05/21','05/24','05/25','05/27','05/28','06/01','06/03','06/05','06/06','06/09'], tick: { rotate: -80, multiline: false } } } });