Enable Sifr icon theme for LibreOffice 4.2.x
If you have recently installed the latest version of LibreOffice 4.2 and want to switch the icon theme from default Galaxy theme to a flat monochrome theme, then you will need to install Sifr Icon theme and enable it. Install and Enable Sifr Icon theme – Run the following command: sudo apt-get install libreoffice-style-sifr – Open LibreOffice, click on Tools Options View and change the icon style to Sifr