Add step to install Tails

- Add usual CSS tricks to expert.css
- Don't display steps and states for expert.
  This make the layout of command line instructions much easier, and
  experts don't need them anyway :)
- Prepare the work for the Debian scenario.

wiki/src/install/expert/usb.mdwn

@@ -2,6 +2,7 @@
 [[!meta title="Installing Tails on a USB stick from Debian or Ubuntu using the command line"]]
 [[!meta stylesheet="inc/stylesheets/steps" rel="stylesheet" title=""]]
 [[!meta stylesheet="inc/stylesheets/expert" rel="stylesheet" title=""]]
+[[!meta stylesheet="inc/stylesheets/expert-usb" rel="stylesheet" title=""]]
 
 [[Back|install/debian]]
 
@@ -113,3 +114,5 @@ using the Tails signing key.
        certified the Tails signing key with your own key.
 
 [[!inline pages="install/inc/steps/install_tails_installer.inline" raw="yes"]]
+
+[[!inline pages="install/inc/steps/install_final.inline" raw="yes"]]

wiki/src/install/inc/steps/install_final.inline.mdwn

 Install <span class="usb">the final</span> Tails<span class="dvd"> on a USB stick</span>
 ========================================================================================
 
-In this step, you will install <span class="usb">the final</span> Tails on a <span class="usb">second</span><span class="clone">new</span> USB stick
+In this step, you will install <span class="windows-usb linux-usb mac-usb">the final</span> Tails
+on a <span class="windows-usb linux-usb mac-usb">second</span><span class="clone">new</span> USB stick
 using *Tails Installer*.
 
 <div class="caution">
@@ -17,17 +18,27 @@ using *Tails Installer*.
 
 1. Plug the <span class="usb">second</span><span class="clone">new</span> USB stick in the computer.
 
-1. Choose
+1. <div class="windows linux mac"><p>
+   Choose
    <span class="menuchoice">
      <span class="guimenu">Applications</span>&nbsp;▸
      <span class="guisubmenu">Tails</span>&nbsp;▸
      <span class="guimenuitem">Tails Installer</span>
    </span>
    to start <span class="application">Tails Installer</span>.
+   </p></div>
 
-1. Click on the <span class="button">Clone & Install</span> button.
+   <div class="debian expert"><p>
+   Start <span class="application">Tails Installer</span>.
+   </p></div>
 
-   [[!img inc/screenshots/tails_installer.png link=no]]
+1. Click on the
+   <span class="button windows linux mac">Clone & Install</span>
+   <span class="button debian expert">Install</span>
+   button.
+
+   [[!img inc/screenshots/tails_installer_in_tails.png link=no class="windows linux mac"]]
+   [[!img inc/screenshots/tails_installer_in_debian.png link=no class="debian expert"]]
 
    <div class="step-image">
    [[!img inc/infography/clone-temporary-tails.png link="no" class="usb clone"]]

wiki/src/install/inc/stylesheets/expert-usb.css

+@import url("expert.css");
+@import url("usb.css");
+span.expert-usb, a.expert-usb {
+  display: inline;
+}
+div.expert-usb, img.expert-usb, p.expert-usb {
+  display: block;
+}
+li.expert-usb {
+  display: list-item;
+}

wiki/src/install/inc/stylesheets/expert.css

+span.expert, a.expert {
+  display: inline;
+}
+div.expert, img.expert, p.expert {
+  display: block;
+}
+li.expert {
+  display: list-item;
+}
+
 #content {
   padding-left: 20px;
 }
 
+.step-image {
+  display: none;
+}
+
+.state-image {
+  display: none !important;
+}
+
 pre, p.pre {
   max-width: 58em;
   width: 58em;

wiki/src/install/inc/stylesheets/steps.css

@@ -27,6 +27,7 @@
 .windows, .windows-clone, .windows-usb,
 .mac, .mac-usb, .mac-dvd, .mac-clone,
 .debian, .debian-clone, .debian-usb,
+.expert, .expert-usb,
 .linux, .linux-clone, .linux-usb {
   display: none;
 }