fluorescent blue padlocks with glowing connections and give space for text, on black background, in the style of futuristic, 3D rendering planet earth surrounded by little digital connections symbolizing global connectivity, with futuristic design elements, high-tech feel, and holographic effects. The phrase 'is written above or below the word "dark theme" in a modern typography with clean lines and minimalistic designs. The overall look should be sleek and professional, suitable for corporate branding. --ar 16:9