collections {
    group {
        name: "Main";
        min: 100 100;

        parts {
             part {
                 name: "background";
                 type: RECT;
                 mouse_events: 0;
                 description {
	 	    state: "default" 0.0;
                     color: 255 255 255 255;
                     rel1 { relative: 0.0 0.0; offset: 0 0; }
                     rel2 { relative: 1.0 1.0; offset: 0 0; }
                 }
             }

             part {
                        name, "button1";
                        type, RECT;
                        description {
                                state, "default" 0.0;
                                color, 0 0 0 255;

                                rel1 {
                                        relative, 0.0 0.0;
                                        offset, 10 10;
                                }

                                rel2 {
                                        relative, 0.0 0.0;
                                        offset, 30 20;
                                }
                        }

                }

                part {
                        name, "button2";
                        type, RECT;
                        description {
                                state, "default" 0.0;
                                color, 255 0 0 255;

                                rel1 {
                                        relative, 1.0 0.0;
                                        offset, 10 0;
                                        to, "button1";
                                }

                                rel2 {
                                        relative, 1.0 1.0;
                                        offset, 29 -1;
                                        to, "button1";
                                }
                        }

                }

                part {
                        name, "button3";
                        type, RECT;
                        description {
                                state, "default" 0.0;
                                color, 0 255 0 255;

                                rel1 {
                                        relative, 0.0 1.0;
                                        offset, 0 10;
                                        to, "button1";
                                }

                                rel2 {
                                        relative, 1.0 1.0;
                                        offset, 0 19;
                                        to, "button1";
                                }
                        }

                }

                part {
                        name, "button4";
                        type, RECT;
                        description {
                                state, "default" 0.0;
                                color, 0 0 255 255;

                                rel1 {
                                        relative, 1.0 1.0;
                                        offset, 10 10;
                                        to, "button1";
                                }

                                rel2 {
                                        relative, 1.0 1.0;
                                        offset, 29 19;
                                        to, "button1";
                                }
                        }

                }
        }
    }
}