css实现toast弹框和确定弹框

html: 

 css:

  .m-toast-pop {display: none; position: fixed; width: 100%;top: 0;bottom: 0;right: 0;overflow: auto;text-align: center;}
  .m-toast-inner {position: absolute;left:50%;top:50%;width: 100%; transform:translate(-50%,-50%);-webkit-transform:translate(-50%,-50%);text-align: center;}
  .m-toast-inner-text{display: inline-block;margin: 0 22px; padding: 19px 21px;font-size: 16px;color: #FFFFFF;letter-spacing: 0;line-height: 22px;background: rgba(0,0,0,0.72);border-radius: 10px;}

js: 

  function message(message) {
       $('#m-toast-inner-text').text(message);
       $('#m-toast-pop').fadeIn();
       setTimeout(function() {
           $('#m-toast-pop').fadeOut();
       }, 1000);
   }
  message("****不能为空");