Having two different label alignments in one website / application

1. How do I change the properties of a label?
2. How do I make alignment labels bigger in Civil 3d?

How do I change the properties of a label?

Right-click and select Label Properties or Properties. In the Properties palette, change the desired properties.

How do I make alignment labels bigger in Civil 3d?

Set the size of the text in the label style to the size you want on paper, then set your model/paper space view to the scale you are going to plot the drawing and it will take care of the rest.