.zoom_right {
                cursor: e-resize;
                width: 5px;
                height: 100%;
                top: 0;
                right: 0;
                z-index: 1;
                background-color: transparent;
                position: absolute;
            }

            .zoom_rb {
                cursor: se-resize;
                width: 5px;
                height: 5px;
                right: 0;
                bottom: 0;
                z-index: 3;
                position: absolute;
                background-color: transparent;
            }

            .zoom_bottom {
                cursor: s-resize;
                width: 100%;
                height: 5px;
                position: absolute;
                bottom: 0;
                left: 0;
                z-index: 1;
                background-color: transparent;
            }