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.columns {
  -moz-column-count: 3;
  -webkit-column-count: 3;
  column-count: 3;
  -moz-column-gap: 3em;
  -webkit-column-gap: 3em;
  column-gap: 3em;
}

/* Fix for unbalanced top alignment in Chrome */
.columns > * {
  -webkit-column-break-inside: avoid;
  column-break-inside: avoid;
}
/* New fix for Safari */
.columns > * {
  display: inline-block;
  width: 100%;
}