.solve-challenge .q-item-content:nth-child(1) .q-item {
  background-image: url("./imgs/change_bg1.png");
}
.solve-challenge .q-item-content:nth-child(2) .q-item {
  background-image: url("./imgs/change_bg2.png");
}

.solve-challenge .q-item-content:nth-child(3) .q-item {
  background-image: url("./imgs/change_bg3.png");
}
.roda-arrow {
  width: 12px !important;
  height: 12px !important;
  fill: currentColor;
  color: #1764ff;
}
.solve-core .card-item .see-more:hover .roda-arrow {
  transform: rotate(45deg);
}