@import url("https://fonts.googleapis.com/css2?family=Nunito:wght@300;400&display=swap");

body {
  background: linear-gradient(to right, #2046c2, #00cdac);
}
.container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}
svg {
  width: 50rem;
  height: auto;
}
#handboy {
  animation: swing ease-in-out 1.3s infinite alternate;
  transform-origin: 98% 98%;
  transform-box: fill-box;
}
#girllight {
  animation: swing ease-in-out 1.3s infinite alternate;
  transform-origin: 0% 97%;
  transform-box: fill-box;
}
#hairgirl {
  animation: swinghair ease-in-out 1.3s infinite alternate;
  transform-origin: 60% 0%;
  transform-box: fill-box;
}
#zero {
  transform-origin: bottom;
  transform-box: fill-box;
}
@keyframes swing {
  0% {
    transform: rotate(10deg);
  }
  100% {
    transform: rotate(-10deg);
  }
}
@keyframes swinghair {
  0% {
    transform: rotate(6deg);
  }
  100% {
    transform: rotate(-6deg);
  }
}

/* go back btn */
.backbtn {
  display: flex;
  justify-content: center;
  align-items: center;
}
.btn {
  font-family: "Nunito", sans-serif;
  line-height: 0;
  padding: 0.8rem 1rem;
  border-radius: 8em;
  transition: 0.5s;
  margin-top: 2rem;
  color: #fff;
  background: #272727;
  box-shadow: 0px 5px 10px rgba(109, 39, 238, 0.6);
}
.btn span {
  font-family: "Nunito", sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.1rem;
}
.btn i {
  margin-left: 0.3rem;
  font-size: 1.2rem;
  transition: 0.3s;
}
.btn:hover {
  color: rgb(255, 230, 0);
}
.btn:hover i {
  transform: translateX(-4px);
}

/* responsiveness */
@media (max-width: 550px) {
  svg {
    width: 24rem;
    margin-top: 10rem;
    margin-bottom: 4rem;
  }
  .btn {
    padding: 0.8rem 0.8rem;
    border-radius: 6em;
    margin-top: 1.5rem;
  }
  .btn i {
    margin-left: 0.2rem;
    font-size: 1rem;
  }
  .btn span {
    font-size: 1rem;
  }
}