Minesweeper in HTML

Simple minesweeper game written in JavaScript, HTML and CSS.
Original version by artyyouth.

Playable demo

Demo can be played on my personal website:
- https://carlos.fyi/minesweeper

How to play

Click with the left mouse button to uncover a block.
Click with the right mouse button once to place a flag. Twice to place a question mark and thrice to clear the marks.
Click with the middle mouse button to do a quick uncovering of surrounding blocks.