Each issue has to be investigated on it's own merits and in it's own setting. Do you have an example of a site or site's where this is happening for you? if so can you provide us with the following information for each site and we can investigate this for you site by site.
Remember to include as much information about your technical issue as possible for example:
Website URL: Framework Version: WordPress Version: Plugins in Use: Server/Host: Screenshots: Details:
Having tried to access www.oliveresort.se and www.oliveresort.se/wp-admin it looks like the server or Domain name may be somehow misconfigured. could you ask you hosting provider regarding this and see if they have any suggestion to resolving this.
Currently we cannot access the DMs install at this site.
After logging into your sites i can see your DMS visual editor is displaying unpublished changes - Make sure you have clicked 'publish' and the light is green so that you know the changes you have made are live on the site changes. You can see the light in this example is purple > http://screencast.com/t/pvBhq33M
The Purple light was present on all your sites.
Could you remove the 'Pagelines Sections' plugin from your sites. This plugin is for the PageLines Framework and not compatible with the PageLines DMS system and does not provide any functional benefits and in fact has been known to cause problems.
Also the 'Selettore Tabs' plugin is not compatible with DMS2 and has not been updated by the developer. Could you remove this also.
Can you make sure all your sites are running the latest version of DMS. Your sites are running 2.1.1 with the latest version being 2.1.3
Also could you make sure you are running the latest version of the 'PageLines Professional tools' plugin. Your sites are using 1.5.4 and 1.6.2 is available.
Could you update all these and let us know if you still have a problem.
To target a specific Media box, NextBox or any other section for that matter - Drill down to the Section ID with Firebug or your browser inspection tools
for example - this giant logo in the next screenshot is displayed via a media box - http://screencast.com/t/j04SQYrJT
if we want to target just that section we prefix the CSS with the section ID - in this instance #mediaboxukc8r4i
Help with ID and Class selectors can be found here http://www.w3schools.com/css/css_selectors.asp
a post i think helps also is here http://forum.pagelines.com/topic/32857-removing-padding-from-header-and-other-sections/
and Danny's comment here
What I recommend is you use if you aren't already Google Chromes web dev tools, when inspecting any element in Chromes dev tools, padding is displayed as green and margin is displayed as a shade of orange. This should help you identify the class you want to target.
Then you can manipulate the sites padding/margin using chromes dev tools, then all you want to do then is add your changes to your custom CSS.
For example, let's say you want to remove the padding from the masthead section, you code would look something like this (please remember this is an example):
Google Chrome is suggesting http://www.oliveresort.com :/
Could we have an admin logon for this site so we can see first hand how it is configured, If you want to create an admin logon please do so and send the credentials to hello @ PageLines dot com along with a link to this forum topic and our moderators will look into this for you and update you here.
simon has been looking at this for you and we agree with your suggestion of starting over BUT there is no need to start from scratch.
In the visual editor > Site Settngs > resets >
You can click 'Reset Current Post Type Settings' this will fix the problem with page types and you can get your site finished
Researched the Page Title issue a little and absorbed some knowledge on this. Show your host this http://wordpress.org/support/topic/permalinks-nginx-not-working-help-required
They don't have Nginx setup to work with Permalinks for this reason when set to post-name in permalinks - setting permalinks to default does work though but displays Page-id-xx in your URl rather than post name.
Hope this makes sense and if we can help you setting up your site let me know.
Finally - you mentioned you had HTML that wasn't showing up - i read back but didn't see you mention where you placed this - i thought you has put it in the Page content. If you have and it doesn't display then this will be because of what simon said with regards post loop missing from pages.