var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',267,299,315,314,255,133,145,213,279,365,340,240,216,158,377,283,349,259,229,133,185,370,268,325,266,197,97,166,216], ['Bars',267,299,315,314,255,133,145,213,279,365,340,240,216,158,377,283,349,259,229,133,185,370,268,325,266,197,97,166,216] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for effsize', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['05/13','05/14','05/15','05/16','05/17','05/18','05/19','05/20','05/21','05/22','05/23','05/24','05/25','05/26','05/27','05/28','05/29','05/30','05/31','06/01','06/02','06/03','06/04','06/05','06/06','06/07','06/08','06/09','06/10'], tick: { rotate: -80, multiline: false } } } });