$('.fr-trigger-btn-up').css('background','#2E8377');这个是日期框右边的那个颜色
$('.fr-trigger-btn-up').css('border-radius','3px');这个是日期框右边的圆角
$('.fr-trigger-text.fr-border-box').css('border-radius','3px');日期框的圆角
$('.fr-trigger-text.fr-border-box').css('border','1px solid #74e164')日期框的线和颜色
$('.fr-trigger-texteditor').css('color','#E91E63')日期框里面字体的颜色
$('.fr-trigger-texteditor').css('color','#673AB7')