Fixes the Kirby (getkirby.com) panel topbar and the save button at the top of the browser window.

getkirby-panel-save-button-fixed.css

/* 
Fixes the Kirby (getkirby.com) panel topbar and the save button at the top of the browser window.
Put this css snippet in your assets/css/panel.css file and add the following to your site/config/config.php
c::set('panel.stylesheet', 'assets/css/panel.css');

@see: http://forum.getkirby.com/t/move-the-save-button/1867/11?u=flokosiol
*/

.topbar {
  position: fixed;
  z-index: 101; /* conflict with .visualmarkdown-toolbar */
}

.mainbar .btn-submit {
  position: fixed;
  top: 7px;
  right: 70px;
  z-index: 102;
  color: #fff;
  border-color: #fff;
  background: #000;
}

.mainbar .btn-submit:hover {
  background: #fff;
  color: #000;
}

.mainbar .btn-submit.btn-positive {
  border-color: #8dae28;
  color: #fff; 
  background: #8dae28
}

For the 'conflict with .visualmarkdown-toolbar; I just suggest dropping the visualmarkdown-toolbar down below the black bar /save button.
I've submitted it visualmarkdown