Axis Properties Dialog Box, Line
Select Line on the Axis Properties dialog box to change border line options for the axis.
Options
Style
Choose a line style, such as solid, dashed, double, or dotted, for the border lines. By default, solid is selected. Click the Expression (fx) button to change the expression.Width
Choose a line width. By default, 1pt is selected. Click the Expression (fx) button to change the expression.Color
Choose a color for the border lines. Click the Expression (fx) button to change the expression.