margin-right: 20px;
                padding: 20px 15px;
            }
            #br-control
            {
                border-bottom: 30px solid red;
                margin-left: 20px;
                margin-right: -50px;
                padding: 20px 15px;
            }
            .top-left
            {
                background: green;
                left: 0;
                top: 0;
            }
            .bottom-right
            {
                background: green;
                bottom: 0;