CSS - box-decoration-break

CSS box-decoration-break property specifies how the background, padding, border, and border-radius of an element should behave when the content is broken across multiple lines or columns. It controls whether these properties should be continuous or fragmented across the line breaks.

This property will affect the appearance of the following properties:

Possible Values

slice − This is the default value. It means that the padding, border, and background of the element will be rendered as if the content were not broken, resulting in continuous rendering across line breaks.
clone − Each box fragment is rendered individually with its defined border, padding, and margin wrapping it. The border-radius, , and box-shadow are applied to each fragment separately. When background-repeat is set to no-repeat, the background picture may repeat for each fragment individually.

Applies to

All elements.

Syntax

box-decoration-break = slice | clone;

CSS box-decoration - slice Value

The following example demonstrates the box-decoration-break: slice property slices between boxes when broken across multiple lines −

<html>
<head>
<style>
   .box {
      background-color: lightpink;
      border: 5px solid green;
      padding:  5px;
      border-radius: 15px;
      line-height: 3;
      -webkit-box-decoration-break: slice;
      box-decoration-break: slice;
   }
</style>
</head>
<body>
   <span class="box">CSS<br>box-decoration-break - <br> slice<br>Value</span>
</body>
</html>

CSS box-decoration - clone Value

The following example demonstrates the box-decoration-break: clone property controls how a box displays when it is broken across multiple lines or columns −

<html>
<head>
<style>
   .box {
      background-color: lightpink;
      border: 5px solid green;
      padding:  5px;
      border-radius: 15px;
      line-height: 3;
      -webkit-box-decoration-break: clone;
      box-decoration-break: clone;
   }
</style>
</head>
<body>
   <span class="box">CSS<br>box-decoration-break - <br> clone<br>Value</span>
</body>
</html>

CSS box-decoration - Fragmentation With Multi-column Layouts

The following example demonstrates a block element with multi-column layouts using box-decoration-break property with different values, such as slice and clone −

<html>
<head>
<style>
      span {
      display: block;
      background: lightpink;
      border: 5px solid green;
      padding: 5px;
      border-radius: 20px;
      margin-left: 10px;
      line-height: 2;
   }
   .clone-box {
      -webkit-box-decoration-break: clone;
      -ms-box-decoration-break: clone;
      -o-box-decoration-break: clone;
      box-decoration-break: clone;
   }
   .box {
      -webkit-columns: 3;
      -moz-columns: 3;
      -ms-columns: 3;
      -o-columns: 3;
      columns: 3;
   }
   div { 
      width: 63em;
   }
</style>
</head>
<body>
   <h3>Without fragmentation</h2>
   <div >
      <span>CSS<br>box-decoration-break - <br> clone Value</span>
   </div>
   <br>

   <h3>box-decoration-break: slice</h2>
   <div class="box">
      <span>CSS<br>box-decoration-break - <br> clone Value</span>
   </div>

   <h3>box-decoration-break: clone</h3>
   <div class="box">
      <span class="clone-box">CSS<br>box-decoration-break - <br> clone Value</span>
   </div>
</body>
</html>

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