layui修改弹出层按钮颜色的方法

layer.open({

  skin: 'demo-class',

  content: '确认提交？',

  btn: ["取消", "确认"],

  yes: function (index) {

    layer.close(index)

  },

  btn2: function (index) {

    somefunciton...

  }

});

//在页面style中定义按钮css样式

<style>

 body .demo-class .layui-layer-btn0{

  border-color: #E6E3E6;

  background-color: #FFF;

  color: black;

 }

 body .demo-class .layui-layer-btn1{

  border-color: #4898d5;

  background-color: #2e8ded;

  color: #fff;

 }

</style>