main.main-bg::before {
    z-index: 0;
  position: absolute;
  content: "";
  background-image: url(../images/bg/left-bubbles.svg);
  background-size: 411px 413px;
  background-repeat: no-repeat;
  background-position: -25px 100px;
  width: 100%;
  height: 100%;
}
main.main-bg::after {
    z-index: 0;
  position: absolute;
  content: "";
  background-image: url(../images/bg/left-bubbles.svg);
  background-size: 411px 413px;
  background-repeat: no-repeat;
  background-position: 30px 100px;
  width: 411px;
  height: 100%;
  right: 0;
  top:0;
}
@media screen and (max-width: 1028px) {
  main.main-bg::before {
    background-size: 303px 212px; 
  background-position: -80px -37px;

}
main.main-bg::after {

  background-size: 679px 413px;
  background-position: 43px -84px;

}
 
}

.linear-gradient-1 {
    background: linear-gradient(89.98deg, #FFB53B 0.77%, #83560E 99.98%);
}
.text-gradient-yellow-black {
  background-image: linear-gradient(89.98deg, #ffb53b 0.77%, #83560e 99.98%);
  background-clip: text;
  display: inline-block;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
}
.text-gradient-red-black {
  background-image: linear-gradient(89.98deg, #af2e26 0.77%, #801710 99.98%);
  background-clip: text;
  display: inline-block;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
}

/* challenge-info start */
.black-shade:before {
  background: linear-gradient(270deg, rgba(23, 23, 23, 0) 19%, #171717 80%);
}
@media (max-width: 640px) {
  .black-shade:before {
    background: linear-gradient(270deg, rgba(23, 23, 23, 0) -13%, #171717 60%);
  }
}
.main-menu a:hover {
  background: linear-gradient(180deg, rgba(41, 41, 53, 0) 0%, rgba(255, 181, 59, 0.17) 100%);
}
