The style of the border can be set using the tag border-style.
Border Style takes the following values.
a)dotted- This will create a border with dotted lines.
b)dashed- This will create a border with dashed lines.
c)solid- This will create a border with solid lines.
d)double- This will create a border containing double lines.
e)groove- This will create a border that will look like groove.
f)ridge- This will create a border that will look like ridge.
g)inset- This will create a border with the line looking inset.
h)outset- This will create a border with the line looking outset.
CSS - Cascading Style Sheets can be used along with html tags as explained in this site.
This simple CSS will help you to create much elegant and neat html web pages.
This does not need any additional softwares or codings.
All web browser are capable of handing CSS codes.
Note 2: If required you can using <span> instead of <div> tags.
div tag will start and end on new lines. span will not exceed the tag area.