html {
  box-sizing: border-box;
  font-size: 62.5%; /* font-size: 10px; */
  scroll-behavior: smooth;
}

*,
*::after,
*::before {
  box-sizing: inherit;
  padding: 0;
  margin: 0;
}

body {
  font-size: 1.6rem;
  line-height: 1.6;
  overflow-x: hidden;
  background-color: #141627;
  font-family: "Roboto", sans-serif;
}

.back {
  width: 7rem;
  height: 3rem;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.5rem 1rem;
  background-color: brown;
  border-radius: 1rem;
  position: absolute;
  top: 1rem;
  left: 1rem;
}

.back a {
  color: white;
}

.container {
  width: 100%;
  height: 80vh;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  margin-top: 5rem;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Reset Style */
a {
  text-decoration: none;
}

.box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.earth {
  position: relative;
  background-image: url("./earth1.jpg");
  width: 20rem;
  height: 20rem;
  background-size: 40rem;
  transition: transform 100ms linear;
  animation: spin 8s infinite linear;
  border-radius: 50%;
  box-shadow: inset 2rem 0 8rem 0.6rem rgba(0, 0, 0, 1);
  transform-style: preserve-3d;
}

.earth:after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 50%;
  box-shadow: -2.5px 1.5rem 8rem 1rem rgba(0, 0, 0, 0.7) inset;
}

.earth:before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.2;
  border-radius: 50%;
  background: radial-gradient(circle at 10rem 10rem, #fff, #000);
}

@keyframes spin {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: 40rem;
  }
}

.text {
  width: 25rem;
  position: relative;
}

.box p {
  color: rgb(196, 174, 174);
  font-size: 3rem;
  margin-top: 1rem;
  display: inline-block;
}

.words {
  position: absolute;
  top: 58%;
  transform: translateY(-50%);
  width: 15rem;
  font-size: 3rem;
  opacity: 0;
  margin-left: 1rem;
}

.beautiful {
  color: rgb(7, 248, 248);
}

.awesome {
  color: rgb(255, 115, 0);
}

.big {
  color: rgb(255, 0, 242);
}

.marvelous {
  color: rgb(0, 255, 0);
}

.letter {
  float: left;
  transform-origin: 50% 50% 20px;
}

.letter.out {
  transform: rotateX(90deg);
  transition: transform 0.32s cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

.letter.behind {
  transform: rotateX(-90deg);
}

.letter.in {
  transform: rotateX(0deg);
  transition: transform 0.58s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@media (max-width: 600px) {
  .box p,
  .words {
    font-size: 2.5rem;
  }
}