#main .picturetab td { 
  text-align: center;
  vertical-align: top;
  padding: 0.5em;
  font-size: 70%;
}
.singlepic { 
  text-align: center;
}
.singlepic .picnav { 
  margin-bottom: 0.5em;
}
.singlepic .picdesc { 
  margin-top: 0.5em;
}