<html>

<head>
    <title>angles demo (packed in rice archive)</title>
    <style>
    #gradient-rotated {
        position: absolute;
        top: 40px;
        left: 40px;
        width: 300px;
        height: 300px;
        background: linear-gradient(45deg, red, yellow);
        background-image: -moz-linear-gradient(top left -45deg, red, yellow); // these guys use CCW direction in gradients for some reasons
        background-image: -webkit-linear-gradient(-45deg, red, yellow);
    }

    #rotated {
  