References:

• https://developer.mozilla.org/en-US/docs/Web/CSS/position
• https://paulund.co.uk/css-animation-link-underline
• https://www.w3schools.com/css/css_align.asp
• https://tympanus.net/codrops/css_reference/text-orientation/
• https://www.w3schools.com/html/html5_video.asp