collections {
   group { name: "layout";
      parts {
         rect { "bg";
            desc { state: "default" 0.0;
               color: 255 255 255 255;
            }
         }
         spacer { "lottie_base";
            desc { state: "default" 0.0;
               rel2.relative: 1.0 0.7;
            }
         }
         swallow { "lottie";
            desc { state: "default" 0.0;
               rel1.to: "lottie_base";
               rel1.relative: 0.5 0.5;
               rel2.to: "lottie_base";
               rel2.relative: 0.5 0.5;
            }
         }
         swallow { "slider";
            desc { state: "default" 0.0;
               rel1.relative: 0.0 0.7;
               rel1.offset: 20 20;
               rel2.offset: -20 -20;
            }
         }
      }
   }
}