CSS3 rounded border and border image effect examples sharing

The learning points of this article are as follows:

•Rounded corners border-radius
•Box-shadow box-shadow
•Border image border-image

1. Rounded corners border -radius

<div>border-radius 属性允许您为元素添加圆角边框！ </div>  
  
div {   
    width: 200px;   
    height: 100px;   
    padding:20px;   
    border: 1px solid red;   
    border-radius : 25px;      
}

2. box-shadow

<div></div>  
  
div {   
    width: 200px;   
    height: 100px;   
    background: red;   
    /*x轴偏移量 y轴偏移量 模糊程度 阴影颜色*/   
    box-shadow: 10px 10px 5px #000;   
}

3. border-image

html part

<p><b>注意: </b> Internet Explorer 不支持 border-image 属性。</p>  
<p> border-image 属性用于设置图片的边框。</p>  
  
<div id="round">这里，图像平铺（重复）来填充该区域。</div>  
<br>  
<div id="stretch">这里，图像被拉伸以填充该区域。</div>  
  
<p>这是我们使用的图片素材：</p>  
<img  src="/static/imghwm/default1.png"  data-src="images/border.png"  class="lazy"   / alt="CSS3 rounded border and border image effect examples sharing" >

css part

div {   
    width: 250px;   
    padding: 10px 20px;   
    border: 15px solid translate;   
}   
#round {   
    /*safari*/  
    /*图片源 图片边界向内偏移量 图片的宽度 用于指定在边框外部绘制 border-image-area 的量  样式*/  
    -webkit-border-image : url(../images/border.png) 30 30 round;   
    /*opera*/  
    -o-border-image : url(../images/border.png) 30 30 round;   
    border-image : url(../images/border.png) 30 30 round;   
}   
  
#stretch {   
    -webkit-border-image : url(../images/border.png) 30 30 stretch;   
    -o-border-image : url(../images/border.png) 30 30 stretch;   
    border-image : url(../images/border.png) 30 30 stretch;   
}

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