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# HowTo: Create Themes
**Note:** You should read the [Module Reference](./Modules.md) and the [Template Reference](./Templates.md) before.
We assume you want to call your new theme `mytheme`.
Make sure you replace this by your module name everytime this is mentionend in this Howto.
## Creating the structure
At first create a new theme directory `themes/luci-theme-mytheme`.
Create a `Makefile` inside your theme directory with the following content:
```Makefile
include $(TOPDIR)/rules.mk
LUCI_TITLE:=Title of mytheme
include ../../luci.mk
# call BuildPackage - OpenWrt buildroot signature
```
Create the following directory structure inside your theme directory.
* ipkg
* htdocs
* luci-static
* `mytheme`
* luasrc
* view
* themes
* `mytheme`
* root
* etc
* uci-defaults
## Designing
Create two LuCI HTML-Templates named `header.htm` and `footer.htm` under `luasrc/view/themes/mytheme`.
The `header.htm` will be included at the beginning of each rendered page and the `footer.htm` at the end.
So your `header.htm` will probably contain a DOCTYPE description, headers,
the menu and layout of the page and the `footer.htm` will close all remaining open tags and may add a footer bar.
But hey that's your choice you are the designer ;-).
Just make sure your `header.htm` begins with the following lines:
```
<%
require("luci.http").prepare_content("text/html")
-%>
```
This makes sure your content will be sent to the client with the right content type.
Of course you can adapt `text/html` to your needs.
Put any stylesheets, Javascripts, images, ... into `htdocs/luci-static/mytheme`.
You should refer to this directory in your header and footer templates as: `<%=media%>`.
That means for a stylesheet `htdocs/luci-static/mytheme/cascade.css` you would write:
```html
<link rel="stylesheet" type="text/css" href="<%=media%>/cascade.css" />
```
## Making the theme selectable
If you are done with your work there are two last steps to do.
To make your theme OpenWrt-capable and selectable on the settings page you should now create a file `root/etc/uci-defaults/luci-theme-mytheme` with the following contents:
```sh
#!/bin/sh
uci batch <<-EOF
set luci.themes.MyTheme=/luci-static/mytheme
commit luci
EOF
exit 0
```
and another file `ipkg/postinst` with the following content:
```sh
#!/bin/sh
[ -n "${IPKG_INSTROOT}" ] || {
( . /etc/uci-defaults/luci-theme-mytheme ) && rm -f /etc/uci-defaults/luci-theme-mytheme
}
```
This is some OpenWrt magic to correctly register the template with LuCI when it gets installed.
That's all. Now send your theme to the LuCI developers to get it into the development repository - if you like.
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