glittering particles and light beams for a magical backdrop, dark grey-blue background

sparkling white flash background freezing monochrome water snow ice frost reflection line winter drop light circle sunlight wave darkness blue glittering particles beams magical backdrop dark greyblue abstract rays bokeh glitter shimmer texture glow shiny radiant luminous fantasy elegant festive defocused blurred bright gleam celebration flare effect luminosity soft focus purity simplicity grey scale digital wallpaper decor illumination dreamy cool tones design elements