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.arrow {
  position: absolute;
  left: 0px;
  right: 0px;
  bottom: -20px;
  text-align: center;
}
.arrow-2 {
  display: block;
  width: 0px;
  height: 0px;
  margin-right: auto;
  margin-left: auto;
  border-top: 30px solid #cd1231;
  border-right: 30px solid transparent;
  border-left: 30px solid transparent;
}