var pts = [];
for (var i=0; i < 20; i++) {
    pts.push({ x: random(0, 1), y: random(0, 1) });
}

var draw = function() {
    background(0, 40 + 10*sin(frameCount), 255);
    
    // draw stars
    stroke(178, 191, 255);
    strokeWeight(3);
    for (var i=0; i < pts.length; i++) {
        point(pts[i].x * width, pts[i].y * height + 20*sin(frameCount + i * 130));
    }

    // draw card and tab bg
    noStroke();
    fill(255, 255, 255);
    rect(120, 340, 160, 42, 8);
    rect(120, 30, 160, 300, 8);
    
    // draw tab icons
    fill(240, 242, 245);
    ellipse(144+38*0, 361, 28, 28);
    ellipse(144+38*1, 361, 28, 28);
    ellipse(144+38*2, 361, 28, 28);
    ellipse(144+38*3, 361, 28, 28);
};