.solve-challenge .q-item-content:nth-child(1) .q-item {
  background-image: url("/libraries_v4/public/images/eduction/change_bg1.png");
}
.solve-challenge .q-item-content:nth-child(2) .q-item {
  background-image: url("/libraries_v4/public/images/eduction/change_bg1.png");
}

.solve-challenge .q-item-content:nth-child(3) .q-item {
  background-image: url("/libraries_v4/public/images/eduction/change_bg1.png");
}
.solve-navs .bg {
  background-image: url(/libraries_v4/public/images/eduction/ed1_v4.png);
  background-repeat: no-repeat;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: 80%;
}