gistfile1.js

Highcharts.setOptions({
    colors: ['#0187DD', '#0F283E', '#77C100', '#FF6400', '#CF0000', '#502864', '#D72870'],
    plotOptions: {
        series: {
            shadow: false
        }
    },
    tooltip: {
        borderRadius: 2,
        borderColor: '#AAA',
        backgroundColor: '#FFF',
        borderWidth: 1,
        shadow: false
    },      
    yAxis: {
        gridLineDashStyle: 'dot'
    }
});