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# YUI Library Examples: Container Family: Skinning a Panel with Custom CSS: Advanced

# Container Family: Skinning a Panel with Custom CSS: Advanced

In this example, we move beyond the basic skinning steps demonstrated in the introductory skinning example and show more advanced techniques with multiple styled Panel Control instances on the same page. Use the buttons below to show and hide the styled panels.

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Panel #1 from Markup
This is a Panel that was marked up in the document.
End of Panel #1

## Skinning Panel: Beyond the Basics

Panels can be skinned using only CSS, and a bit of extra markup. In the previous Skinning Tutorial, we covered the basics of skinning Panels using CSS.

In this tutorial, we will create two Panels — one skinned to look like a Windows XP window, and one that looks like the Mac OS X Aqua style. First, let's look at the markup structure that will serve as the framework for our newly skinned Panels. You'll notice that a few additional elements have been added to the header and footer. The classes of these elements — "tl", "tr", "br" and "bl" — represent each of the corner images that will be applied to the XP skin. The Aqua skin will be built from script (not based on existing markup) using the same structure, although the rounded corners will only be applied to the top corners. The script and markup for the two skinned Panels are listed below:

YAHOO.example.container.panel2.setHeader("<div class='tl'></div><span>Panel #2 from Script</span><div class='tr'></div>"); YAHOO.example.container.panel2.setBody("This is a dynamically generated Panel."); YAHOO.example.container.panel2.setFooter("<span>End of Panel #2</span>"); <div id="panel1"> <div class="hd"><div class="tl"></div><span>Panel #1 from Markup</span><div class="tr"></div></div> <div class="bd">This is a Panel that was marked up in the document.</div> <div class="ft"><div class="bl"></div><span>End of Panel #1</span><div class="br"></div></div> </div>

The skinning of these Panels is achieved using CSS definitions. In this tutorial, we will use id selectors in our CSS definitions to specify which Panel should receive each skin. Most of the styles consist of background images that are applied to various pieces of the Panels. The styles are defined below:

/* XP Panel Skin CSS */ #panel1_c.yui-panel-container.shadow .underlay { background-color:#999; } /* Apply the border to the right side */ #panel1.yui-panel { position:relative; border:none; overflow:visible; background:transparent url(../assets/img/xp-brdr-rt.gif) no-repeat top right; } /* Style the close icon */ #panel1.yui-panel .container-close { top:5px; right:8px; height:21px; width:21px; background-image:url(../assets/img/xp-close.gif);} /* Style the header with its associated corners */ #panel1.yui-panel .hd { padding:0; border:none; background:transparent url(../assets/img/xp-hd.gif); color:#FFF; height:30px; margin-left:8px; margin-right:8px; text-align:left; vertical-align:middle; overflow:visible; } #panel1.yui-panel .hd span { line-height:30px; vertical-align:middle; } #panel1.yui-panel .hd .tl { width:8px;height:29px; top:1px;left:0; background:transparent url(../assets/img/xp-tl.gif); position:absolute; } #panel1.yui-panel .hd .tr { width:8px;height:29px; top:1px;right:0; background:transparent url(../assets/img/xp-tr.gif); position:absolute; } /* Style the body with the left border */ #panel1.yui-panel .bd { overflow:hidden; padding:10px; border:none; background:#FFF url(../assets/img/xp-brdr-lt.gif) repeat-y; margin:0 4px 0 0; } /* Style the footer with the bottom corner images */ #panel1.yui-panel .ft { background:transparent url(../assets/img/xp-ft.gif); font-size:11px; height:26px; padding:0px 10px; } #panel1.yui-panel .ft span { line-height:22px; vertical-align:middle; } #panel1.yui-panel .ft .bl { width:8px;height:26px; bottom:0;left:0; background:transparent url(../assets/img/xp-bl.gif); position:absolute; } #panel1.yui-panel .ft .br { width:8px;height:26px; bottom:0;right:0; background:transparent url(../assets/img/xp-br.gif); position:absolute; } /* Aqua Panel Skin CSS */ #panel2_c.yui-panel-container.shadow .underlay { background-color:#999; } #panel2.yui-panel { position:relative; border:none; overflow:visible; background-color:transparent; } /* Apply styles to the close icon to anchor it to the left side of the header */ #panel2.yui-panel .container-close { top:3px; left:4px; height:18px; width:17px; background-image:url(../assets/img/aqua-hd-close.gif); } #panel2.yui-panel .container-close:hover { background-image:url(../assets/img/aqua-hd-close-over.gif); } /* Style the header and apply the rounded corners, center the text */ #panel2.yui-panel .hd { padding:0; border:none; background:transparent url(../assets/img/aqua-hd-bg.gif); color:#000; height:22px; margin-left:7px; margin-right:7px; text-align:center; overflow:visible; } #panel2.yui-panel .hd span { vertical-align:middle; line-height:22px; } #panel2.yui-panel .hd .tl { width:7px; height:22px; top:0; left:0; background:transparent url(../assets/img/aqua-hd-lt.gif); position:absolute; } #panel2.yui-panel .hd .tr { width:7px; height:22px; top:0; right:0; background:transparent url(../assets/img/aqua-hd-rt.gif); position:absolute; } /* Style the body and footer */ #panel2.yui-panel .bd { overflow:hidden; padding:4px; border:1px solid #aeaeae; background-color:#FFF; } #panel2.yui-panel .ft { font-size:75%; color:#666; padding:2px; overflow:hidden; border:1px solid #aeaeae; border-top:none; background-color:#dfdfdf; }

### YUI Logger Output:

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### Container Family Examples:

- The Module Control
- Creating and Positioning an Overlay
- Simple Tooltip Example
- One Tooltip, Many Context Elements
- Simple Panel Example
- Skinning a Panel with Custom CSS: Introduction
- Skinning a Panel with Custom CSS: Advanced
- Creating a "Loading" Panel
- Creating a Resizable Panel
- Dialog Quickstart Example
- SimpleDialog Quickstart Example
- Using ContainerEffect Transitions
- Using the Overlay Manager to Manage Multiple Panels
- Implementing Container Keyboard Shortcuts with KeyListener
- Example of Color Picker Built in a Dialog via JavaScript (included with examples for Color Picker Control (beta))
- Menu Buttons (included with examples for Button Control (beta))
- Split Buttons (included with examples for Button Control (beta))
- OS-Style Programs Menu (included with examples for Menu Family)
- Application Menubar (included with examples for Menu Family)

### More Container Family Resources:

- User's Guide (external)
- API Documentation
- Cheat Sheet PDF (external)

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