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### Media query examples for KF8, MOBI, and other readers

Source: https://kdp.amazon.com/en_US/help/topic/GR4KL488MXKPZ5BK

Table of media query examples showing CSS applied to KF8, MOBI, and other readers. Each row shows a media query and the resulting CSS for each format.

```css
@media amzn-mobi
{
.class1 { font=size:3em; font-weight: bold;
}
}
```

```css
.class1 { font-style: italic; font-size:2em;
}
@media amzn-mobi
{
.class1 { font-size:3em; font-weight: bold;
}
}
```

```css
@media amzn-mobi
{
.class1 { font-size:3em !important;
font-weight: bold
!important;
}
}
.class1 { font-style: italic; font-size:2em;
}
```

```css
@media not amzn-mobi
{
.firstletter
{ float: left; font-size: 3em; line-height: 1; font-weight: bold; padding-right: .2em; margin: 10px
}
}
@media amzn-mobi
{
.firstletter { font-size: 3em;
}
}
```

```css
@media amzn-kf8
{ p {
color: red;
}
}
```

--------------------------------

### toc nav element example

Source: https://kdp.amazon.com/en_US/help/topic/GY3AD8C6C6GAG42N

Example of a toc nav element that defines a logical ToC hierarchy. It should be a separate HTML document from the HTML ToC.

```XML
<nav epub:type="toc">
   <ol>   
<li><a href="Sway_body.html#preface_1">AUTHOR'S NOTE</a></li>
<li><a href="Sway_body.html#part_1">PART ONE</a>
   <ol>
   <li><a href="Sway_body.html#chapter_1">THE HOUSES, 1969</a></li>
   <li><a href="Sway_body.html#chapter_2">ROCK AND ROLL, 1962</a></li>
   <li><a href="Sway_body.html#chapter_3">THE EMPRESS, 1928–1947</a></li>
    </ol>  </li>  </ol>
</nav>
```

--------------------------------

### NCX navMap example

Source: https://kdp.amazon.com/en_US/help/topic/GY3AD8C6C6GAG42N

Example of an NCX navMap that defines a logical ToC hierarchy with nested navPoints. Amazon requires NCX elements to follow the same order as the book.

```XML
<navMap>
   <navPoint class="titlepage" id="L1T" playOrder="1">   
<navLabel><text>AUTHOR'S NOTE</text></navLabel>
   <content src="Sway_body.html#preface_1" />  </navPoint>  <navPoint class="book" id="level1-book1" playOrder="2">   
<navLabel><text>PART ONE</text></navLabel>
   <content src="Sway_body.html#part_1" />  <navPoint class="chapter" id="level2-book1chap01" playOrder="3">   
<navLabel><text>THE HOUSES, 1969</text></navLabel>
   <content src="Sway_body.html#chapter_1" />  </navPoint>  <navPoint class="chapter" id="level2-book1chap02" playOrder="4">   
<navLabel><text>ROCK AND ROLL, 1962</text></navLabel>
   <content src="Sway_body.html#chapter_2" />  </navPoint>  <navPoint class="chapter" id="level2-book1chap03" playOrder="5">   
<navLabel><text>THE EMPRESS, 1928–1947</text></navLabel>
   <content src="Sway_body.html#chapter_3" />  </navPoint>  </navPoint>   
</navMap>
```
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