.nv-row {
  margin-bottom: 20px;
  clear: both;
  width: 100%;
  float: left;
}
.nv-row .column {
  float: left;
}
.nv-row .column .nv-row {
  margin-bottom: 10px;
}
.nv-row .column.center {
  width: 100%;
}
.nv-row .column.left .col-inside {
  margin-right: 20px;
}
.nv-row .column.right .col-inside {
  margin-left: 20px;
}