When I draw lines or borders in Photoshop for my web design work, they are usually not beautiful and seem to me to not be aesthetically appealing. I don't know why, as drawing a line seems to be a very easy concept. I mean it shouldn't matter who how draws a line. A line or a border is a simple thing. But I really see that lines and borders in many websites are more beautiful than my lines and borders.
Is there any special technique I should know while drawing lines and borders in Photoshop, to make them beautiful?