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How to implement the dialog box effect with CSS (code)

云罗郡主forward: 2018-10-19 15:15:542260browse

The content of this article is about how to implement the dialog box effect in CSS (code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>CSS实现对话框效果</title>
	<style>
		/*CSS实现对话框效果一*/
		.test1{width:300px;height: 30px; padding:30px 20px; margin-left:100px; background: #eb7956; position:relative;}
		.test1 p{ width:0; height:0; position:absolute;}
		.test1 .bot{
		    border-width:20px;
		    border-style:solid;
		    border-color:#ffffff #eb7956 #eb7956 #ffffff;
		    left:-40px;
		    top:40px;
		}
		.test1 .top{
		    border-width:10px 20px;
		    border-style:solid;
		    border-color: transparent  #ffffff #ffffff transparent ;
		    left:-40px;
		    top:60px;
		}
		/*CSS实现对话框效果二*/
	    .test2{width:300px; padding:30px 20px; border:5px solid #beceeb; position:relative; margin-top: 10px;}
	    .test2 p{width:0; height:0; font-size:0; overflow:hidden; position:absolute;}
	    .test2 p.bot{
	        border-width:20px;
	        border-style:solid dashed dashed;
	        border-color:#beceeb transparent transparent;
	        left:80px;
	        bottom:-40px;
	    }
	    .test2 p.top{
	        border-width:20px;
	        border-style:solid dashed dashed;
	        border-color:#ffffff transparent transparent;
	        left:80px;
	        bottom:-33px;
	    }
		/*CSS实现对话框效果三*/
	    .test3{width:300px; height: 30px; border-radius: 160px/45px; padding:30px 20px; margin-left:100px; background: #eb7956; position:relative; margin-top: 10px;}
		.test3 p{ width:0; height:0; position:absolute;}
		.test3 .bot{
		    border-width:20px;
		    border-style:solid;
		    border-color:transparent #eb7956 #eb7956 transparent;
		    left:-30px;
		    top:40px;
		}
		.test3 .top{
		    border-width:10px 20px;
		    border-style:solid;
		    border-color: transparent  #ffffff #ffffff transparent ;
		    left:-30px;
		    top:60px;
		}
	</style>
</head>
<body>
	<p class="test1">
	    <p class="bot"> </p>
	    <p class="top"> </p>
	    CSS实现对话框效果一
	</p>
	<p class="test2">
	    <p class="bot"></p>
	    <p class="top"></p>
	    CSS实现对话框效果e二
	</p>
	<p class="test3">
	    <p class="bot"> </p>
	    <p class="top"> </p>
	    CSS实现对话框效果三
	</p>
</body>

<!-- 
	IE6下有些bug需要做下兼容

	1. IE6的奇偶bug
	如果定位外框高度或是宽度为奇数，则IE6下，绝对定位元素的低定位和右定位会有1像素的误差。所以，尽量保证外框的高度或宽度为偶数值。

	2. IE6的空p莫名高度bug
	IE6下，空p会有莫名的高度，也就是说height:0;不顶用，此时形成的尖角的实际占高于其他浏览器是有差异的。可使用font-size:0; + overflow:hidden;修复此问题。

	3. IE6不支持实线边框透明transparent属性
	IE6不支持实线边框透明transparent属性，当某边框设置为transparent属性，且有宽度的话，那么透明会以默认的黑色显示的。解决方法有两个，一是将需要隐藏的颜色设置为背景色，这样与透明效果一样，此法有局限性，在复杂“边框法”应用下是行不通的；二是可以使用dashed代替solid，可以实现IE6下边框transparent透明。
 -->
</html>

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