var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',5,51,1,12,4,48,7,15,3,46,3,11,3,45,1], ['Bars',5,51,1,12,4,48,7,15,3,46,3,11,3,45,1] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for mars', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['03/27','03/28','03/29','03/30','03/31','04/01','04/02','04/03','04/04','04/05','04/06','04/07','04/08','04/09','04/10'], tick: { rotate: -80, multiline: false } } } });