.block_how_to_start.icons .item:before {
  content: url("/_fileserver/item/1117756");
  display: block;
  text-align: center;
  margin-bottom: 20px;
}

.block_how_to_start.icons .item:nth-child(2):before {
  content: url("/_fileserver/item/1117697");
}

.block_how_to_start.icons .item:nth-child(3):before {
  content: url("/_fileserver/item/1117757");
}