Washout UI

A clean, minimal theme with no frills. Looks great in full screen.

Syntax highlighting shown is not part of the theme.

Modifications

These are small snippets you can put in your stylesheet to change the theme slightly.

Upper dividing line

Creates a thin line between the title bar and the body of the window, as seen in the screenshot.

atom-panel-container.header {
    border-top: @base-border-color solid 1px;
}