ed by Mozilla
        */
        #gradientbg {
            width: 700px;
            height: 400px;
            background: linear-gradient(to right, rgba(30, 75, 115, 1), rgba(255, 255, 255, 0)) no-repeat;
        }
        #bubblesbg {
            width: 100%;
            height: 100%;
            background: url("bubbles.png?pipe=trickle(d1)") no-repeat left / 700px 100%;
            position: relative;
        }
        #rustbg {
            width: 256px;
            height: 256px;
            backgroun