.back-button {
  text-decoration: none;
  background-color: #a38f78;
  color: white;
  padding: 0.8em 1.5em;
  border-radius: 8px;
  font-weight: 600;
  transition: background-color 0.3s;
  z-index: 999;
}

.back-button:hover {
  background-color: #8c7865;
}

body {
  background-color: #f7f3ee;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: "Inter", sans-serif;
  margin: 15% 0 0 0;
}

@keyframes snow {
  0% {
    opacity: 0;
    transform: translateY(0px);
  }

  20% {
    opacity: 1;
  }

  100% {
    opacity: 1;
    transform: translateY(650px);
  }
}

@keyframes astronaut {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.box-of-star1,
.box-of-star2,
.box-of-star3,
.box-of-star4 {
  width: 100%;
  position: absolute;
  z-index: 10;
  left: 0;
  top: 0;
  transform: translateY(0px);
  height: 700px;
}

.box-of-star1 {
  animation: snow 5s linear infinite;
}

.box-of-star2 {
  animation: snow 5s -1.64s linear infinite;
}

.box-of-star3 {
  animation: snow 5s -2.30s linear infinite;
}

.box-of-star4 {
  animation: snow 5s -3.30s linear infinite;
}

.star {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background-color: #FFF;
  position: absolute;
  z-index: 10;
  opacity: 0.7;
}

.star:before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #FFF;
  position: absolute;
  z-index: 10;
  top: 80px;
  left: 70px;
  opacity: .7;
}

.star:after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #FFF;
  position: absolute;
  z-index: 10;
  top: 8px;
  left: 170px;
  opacity: .9;
}

.star-position1 {
  top: 30px;
  left: 20px;
}

.star-position2 {
  top: 110px;
  left: 250px;
}

.star-position3 {
  top: 60px;
  left: 570px;
}

.star-position4 {
  top: 120px;
  left: 900px;
}

.star-position5 {
  top: 20px;
  left: 1120px;
}

.star-position6 {
  top: 90px;
  left: 1280px;
}

.star-position7 {
  top: 30px;
  left: 1480px;
}

.astronaut {
  width: 250px;
  height: 300px;
  position: absolute;
  z-index: 11;
  top: calc(50% - 150px);
  left: calc(50% - 125px);
  animation: astronaut 5s linear infinite;
}

.schoolbag {
  width: 100px;
  height: 150px;
  position: absolute;
  z-index: 1;
  top: calc(50% - 75px);
  left: calc(50% - 50px);
  background-color: #94b7ca;
  border-radius: 50px 50px 0 0 / 30px 30px 0 0;
}

.head {
  width: 97px;
  height: 80px;
  position: absolute;
  z-index: 3;
  background: -webkit-linear-gradient(left, #e3e8eb 0%, #e3e8eb 50%, #fbfdfa 50%, #fbfdfa 100%);
  border-radius: 50%;
  top: 34px;
  left: calc(50% - 47.5px);
}

.head:after {
  content: "";
  width: 60px;
  height: 50px;
  position: absolute;
  top: calc(50% - 25px);
  left: calc(50% - 30px);
  background: -webkit-linear-gradient(top, #15aece 0%, #15aece 50%, #0391bf 50%, #0391bf 100%);
  border-radius: 15px;
}

.head:before {
  content: "";
  width: 12px;
  height: 25px;
  position: absolute;
  top: calc(50% - 12.5px);
  left: -4px;
  background-color: #618095;
  border-radius: 5px;
  box-shadow: 92px 0px 0px #618095;
}

.body {
  width: 85px;
  height: 100px;
  position: absolute;
  z-index: 2;
  background-color: #fffbff;
  border-radius: 40px / 20px;
  top: 105px;
  left: calc(50% - 41px);
  background: -webkit-linear-gradient(left, #e3e8eb 0%, #e3e8eb 50%, #fbfdfa 50%, #fbfdfa 100%);
}

.panel {
  width: 60px;
  height: 40px;
  position: absolute;
  top: 20px;
  left: calc(50% - 30px);
  background-color: #b7cceb;
}

.panel:before {
  content: "";
  width: 30px;
  height: 5px;
  position: absolute;
  top: 9px;
  left: 7px;
  background-color: #fbfdfa;
  box-shadow: 0px 9px 0px #fbfdfa, 0px 18px 0px #fbfdfa;
}

.panel:after {
  content: "";
  width: 8px;
  height: 8px;
  position: absolute;
  top: 9px;
  right: 7px;
  background-color: #fbfdfa;
  border-radius: 50%;
  box-shadow: 0px 14px 0px 2px #fbfdfa;
}

.arm {
  width: 80px;
  height: 30px;
  position: absolute;
  top: 121px;
  z-index: 2;
}

.arm-left {
  left: 30px;
  background-color: #e3e8eb;
  border-radius: 0 0 0 39px;
}

.arm-right {
  right: 30px;
  background-color: #fbfdfa;
  border-radius: 0 0 39px 0;
}

.arm-left:before,
.arm-right:before {
  content: "";
  width: 30px;
  height: 70px;
  position: absolute;
  top: -40px;
}

.arm-left:before {
  border-radius: 50px 50px 0px 120px / 50px 50px 0 110px;
  left: 0;
  background-color: #e3e8eb;
}

.arm-right:before {
  border-radius: 50px 50px 120px 0 / 50px 50px 110px 0;
  right: 0;
  background-color: #fbfdfa;
}

.arm-left:after,
.arm-right:after {
  content: "";
  width: 30px;
  height: 10px;
  position: absolute;
  top: -24px;
}

.arm-left:after {
  background-color: #6e91a4;
  left: 0;
}

.arm-right:after {
  right: 0;
  background-color: #b6d2e0;
}

.leg {
  width: 30px;
  height: 40px;
  position: absolute;
  z-index: 2;
  bottom: 70px;
}

.leg-left {
  left: 76px;
  background-color: #e3e8eb;
  transform: rotate(20deg);
}

.leg-right {
  right: 73px;
  background-color: #fbfdfa;
  transform: rotate(-20deg);
}

.leg-left:before,
.leg-right:before {
  content: "";
  width: 50px;
  height: 25px;
  position: absolute;
  bottom: -26px;
}

.leg-left:before {
  left: -20px;
  background-color: #e3e8eb;
  border-radius: 30px 0 0 0;
  border-bottom: 10px solid #6d96ac;
}

.leg-right:before {
  right: -20px;
  background-color: #fbfdfa;
  border-radius: 0 30px 0 0;
  border-bottom: 10px solid #b0cfe4;
}