When you customize graphics in the Designer, you can can quickly make a duplicate of a design layer in your graphic. When you duplicate a design layer. all animations, effects, style element properties and layer duration are inherited into the duplicated design layer.
There are a couple ways to duplicate design layers:
Press and hold the Ctrl key (or Command on Mac), then click a design layer from the Designer canvas or timeline workspace and drag the design layer to a blank area in the workspace.
Right-click a design layer in the Designer canvas or Timeline workspace and choose Duplicate.