.span-10 {
  width: 7.5%; }

.span-15 {
  width: 12.5%; }

.span-20 {
  width: 17.5%; }

.span-25 {
  width: 22.5%; }

.span-30 {
  width: 27.5%; }

.span-35 {
  width: 32.5%; }

.span-40 {
  width: 37.5%; }

.span-45 {
  width: 42.5%; }

.span-50 {
  width: 47.5%; }

.span-55 {
  width: 52.5%; }

.span-60 {
  width: 57.5%; }

.span-65 {
  width: 62.5%; }

.span-70 {
  width: 67.5%; }

.span-75 {
  width: 72.5%; }

.span-80 {
  width: 77.5%; }

.span-85 {
  width: 82.5%; }

.span-90 {
  width: 87.5%; }

.span-95 {
  width: 92.5%; }

.left {
  float: left;
  margin-right: 2.5%; }

.right {
  float: right;
  margin-left: 2.5%; }

.center {
  margin: 0px auto; }