var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',6,18,1,1,6,18,6,6,20,1,1,6,1,2,7,12,6], ['Bars',6,18,1,1,6,18,6,6,20,1,1,6,1,2,7,12,6] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for microsamplingDesign', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['05/12','05/15','05/16','05/17','05/19','05/22','05/25','05/26','05/29','05/30','05/31','06/01','06/02','06/03','06/04','06/05','06/07'], tick: { rotate: -80, multiline: false } } } });