a { border-bottom: dotted 0px; }

#links-uno, #links-seis { margin-left: 29rem; }
#links-dos { margin: 2rem 0 2rem 20rem; }
#links-tres { margin: 0 0 2rem 22rem; }
#links-cuatro { margin: 0 0 2rem 18rem; }
#links-cinco { margin: 0 0 2rem 18rem; }