jquery和css3微信打开红包领取礼物特效代码

开红包的动画效果用css3实现的，用js触发动画
$("#draw-btn,.draw-img").on("click", function () {
            $(".draw-mid").removeClass("draw-mid-move").css({display:"none"});
            $(".draw-up").animate({
                opacity: "1"
            }, 100);
            $("#draw-up-up").animate({
                opacity: "1",
                top: "-4.12rem"
            }, 200);

            $(".draw-down").animate({
                opacity: "0"
            }, 300);
            $(".draw-down2").animate({
                opacity: "1"
            }, 300);
            $(".draw-list").animate({opacity:"1"},600).animate({top:"-4.4rem"},1000);
        });