ElementUI的MessageBox的按钮置灰且不可点击

	// this.$confirmthis.$alert('这是一段内容', '标题名称', {confirmButtonText: '确定',confirmButtonCLass: 'confirmButton',beforeClose: (action,instance,done) => {if (action == 'confirm) {return false} else {done()}});}

.confirmButton {background: #ccc !important;cursor: not-allowed;
}