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Spacing: This is where margin (outer block spacing) and padding (inner block spacing) are defined. To adjust these values, click with the mouse in one of the boxes and drag the mouse with the (left) mouse button pressed upwards to increase the spacing or downwards to decrease the spacing. You can enter values from 0 to 6. 0 stands for no distance and 6 for a very large distance. If no value is entered in the field, the value of the previous resolution level is used.
Horizontal alignment: Determines how the block content is to be aligned in the horizontal axis (beginningStart, middle Center, end End). By default, the block occupies the entire width of the cell (expandStretch).
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