css implements a pop-up dialog box and a mask layer appearing at the same time

This article will introduce to you how to use CSS to realize the pop-up dialog box and the mask layer appearing at the same time. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

A recent project has a message board pop-up dialog box, and then I wrote a static one myself. Here is the code directly:

<p class="fade"></p>
<p class="succ-pop">
	<h2 class="title">
		这里是要填写的内容
	</h2>
</p>

/*灰色遮罩层*/
.fade {
   width: 100%;
   height: 100%;
   background: rgba(0, 0, 0, 0.5);
   position: fixed;
   left: 0;
   top: 0;
   z-index: 2;
}
/*弹出层*/
.succ-pop {
   width: 400px;
   height: 300px;
   background: #fff;
   position: fixed;/*这里的定位可以根据自己喜好选择absolute或者fixed*/
   left: 50%;	
   top: 50%;/*这里的top根据自己的需要定*/
   margin-left: -200px;
   margin-top: -150px;
   z-index: 3;
   border-radius: 5px;
   box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.succ-pop h2.title {
   text-align: center;
   color: lightskyblue;
}

If you don’t want the page to still pop up when there is a pop-up box. If it can scroll, just add $('body').css('overflow-y','hidden');.

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