Example customization file for the Sublime Text 3 Predawn theme

predawn-DEV.sublime-theme

//
// Modifications to theme: predawn-DEV.sublime-theme
// Location: Packages/User/predawn-DEV.sublime-theme
// See: Theme Customisation @ https://goo.gl/dTkjuX
//
// Note that font sizes can be fractions, e.g. 11.5
//

[
    {
        // Sets the height of tabs, this will override
        // the various predawn_tabs_ size settings of:
        // predawn_tabs_small  = 30
        // predawn_tabs_medium = 45
        // predawn_tabs_large  = 58
        "class": "tabset_control",
        "tab_height": 38
    },
    {
        // Sets the font size of tabs.
        "class": "tab_label",
        "font.size" : 11.3
    },
    {
        // Sets the font size of sidebar headings.
        "class": "sidebar_heading",
        "font.size" : 14
    },
    {
        // Sets the font size of sidebar file names.
        "class": "sidebar_label",
        "font.size" : 13
    }
]