var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',3,6,6,13,1,6,6,6,9,12,2,2,4,7,2,14,1,1,2,12,1], ['Bars',3,6,6,13,1,6,6,6,9,12,2,2,4,7,2,14,1,1,2,12,1] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for optpart', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['02/08','02/09','02/10','02/12','02/13','02/14','02/16','02/18','02/19','02/20','02/21','02/22','02/23','02/24','02/26','02/27','03/01','03/03','03/04','03/05','03/07'], tick: { rotate: -80, multiline: false } } } });