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;
}

.search__box {
  height: 6rem;
  position: relative;
}

.search__box.active {
  margin-left: -6rem;
}

.search__input {
  width: 6rem;
  height: 100%;
  outline: none;
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 1.5rem;
  transition: width 0.5s ease;
  color: rgb(71, 69, 69);
}

.search__box.active .search__input {
  width: 20rem;
}

.btn {
  background-color: white;
  position: absolute;
  top: 0;
  left: 0;
  width: 6rem;
  height: 6rem;
  border-radius: 0.5rem;
  transition: transform 0.5s ease;
  cursor: pointer;
}

.search__box.active .btn {
  background-color: black;
  transform: translateX(20.5rem);
}

.search__img,
.close__img {
  width: 4.5rem;
  height: 4.5rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.close__img {
  width: 3.5rem;
  height: 3.5rem;
  opacity: 0;
}

.search__box.active .btn .close__img {
  opacity: 1;
}

@media (max-width: 500px) {
  .btn {
    cursor: none;
  }
}