SharePoint 2013 change look single page. (CSS)

There a lot of time that I have to do some css modification to specific home page like remove spacing between the banner and the content. I script editor  to modified style and/or add additional javascript.

example:

1) Insert script editor webpart
2) insert following to override some css.
<style>
#suiteBar {DISPLAY: none}
.ms-core-navigation { DISPLAY: none }
#contentBox { margin-left: 0px }
.ms-mpSearchBox {DISPLAY: none}
.ms-siteactions-normal {DISPLAY: none}
</style>

SharePoint 2013 March PU (with search component and workflow manager 1.0)

SharePoint 2013 March Public Update is a base for any future update to SharePoint. The following is high level instruction.

Note: any existing workflow 2013 might need to delete and republish.

Assume (2 web front end, 2 apps server and 1 db) - i will call web1, web2, app1, app2 and db1 (app1 host central admin and search admin)

1) add user profile sync account to local admin group. This might break UPS if  you don't.
2) net stop SPTImerV4
    net stop OSearch15
    net stop SPSearchHostController
3) installl march PU on Web1 and restart, repeat this for Web2, App2 and App1 (last)
4) repeat step 2
5) run sharepoint configuration Wizard on Web1
6) restart SPSearchHostController
    restart OSearch15
    restart SPTimerV4
7) repeat step 4 to 6 on Web2 , App2 and App1( last)
6) re-run Register-SPWorkflowService

http://social.technet.microsoft.com/wiki/contents/articles/12497.sharepoint-2013-build-numbers.aspx

http://blogs.technet.com/b/wbaer/archive/2013/05/09/sharepoint-server-2013-march-2013-public-update.aspx

http://blogs.technet.com/b/tothesharepoint/archive/2013/03/13/how-to-install-update-packages-on-a-sharepoint-farm-where-search-component-and-high-availability-search-topologies-are-enabled.aspx

http://www.andrewconnell.com/blog/Updates-For-SP2013-Workflow