Untitled

<html>
    <head>
        <style>

            /*basic reset */

            *{
                margin: 0;
                padding: 0;
            }

            body {background: black;}
            canvas {display:block;}

        </style>
    </head>
    <body>

        <canvas id="c"></canvas>

        <script>
        // geting canvas by id c
        var c = document.getElementById("c");
        var ctx = c.getContext("2d");

        //making the canvas full screen
        c.height = window.innerHeight;
        c.width = window.innerWidth;

        var matrix = "`1234567890-=!@#$%^&*()_+qwertyuiop[]asdfghjkl;'zxcvbnm,./QWERTYUIOPASDFGHJKLZXCVBNM<>?;'\"\\|~";
        matrix = matrix.split("");

        var font_size = 10;
        var columns = c.width/font_size;
        var drops = [];
        for(var x = 0; x < columns; x++)
            drops[x] = 1;
        function draw()
        {
            ctx.fillStyle = "rgba(0, 0, 0, 0.04)";
            ctx.fillRect(0, 0, c.width, c.height);

            ctx.fillStyle = "#FF8000";
            ctx.font = font_size + "px arial";
            for(var i = 0; i < drops.length; i++)
            {
                var text = matrix[Math.floor(Math.random()*matrix.length)];
                ctx.fillText(text, i*font_size, drops[i]*font_size);
                if(drops[i]*font_size > c.height && Math.random() > 0.975)
                    drops[i] = 0;
                drops[i]++;
            }
        }

        setInterval(draw, 35);


        </script>
    </body>
</html>