/* TODO: background sky gradient */:
https://cssgradient.io/

/* TODO: sun shape and glow */:
https://cssgenerator.org/border-radius-css-generator.html
https://cssgenerator.org/box-shadow-css-generator.html

/* TODO: water color and transparency */:
background: linear-gradient(
  to bottom,
  hsla(210, 70%, 50%, 0.85),
  hsla(210, 60%, 30%, 1)
);

/* TODO: text styling and shadow */:
https://digitalportal.pl/text-shadow-generator

Dodatkowe Kształty:
https://css-shape.com/