#chartdiv {
  width : 100%;
  height  : 500px;
}

input.amChartsButton.amcharts-period-input , .amChartsButtonSelected {
    background-color: #FF9800 !important;
    color: #fff !important;
    padding: 8px;
    border-color: #ffb74d !important;
}

.amcharts-start-date-input , .amcharts-end-date-input {
    border: 2px solid #ff9800 !important;
    padding: 5px;
    background-color: #ff9800 !important;
    border-radius: 4px;
    color: #fff !important;
}