Indicates where an element should be displayed on the horizontal axis relative to the allocated layout slot of the parent element
| Name | Type | Description | 
|---|---|---|
| Center | Enum | An element aligned to the center of the layout slot for the parent element | 
| Left | Enum | An element aligned to the left of the layout slot for the parent element | 
| Right | Enum | An element aligned to the right of the layout slot for the parent element | 
| Stretch | Enum | An element stretched to fill the entire layout slot of the parent element |