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;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

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

.box {
  padding: 4rem;
  box-shadow: inset;
  box-shadow: 0px 0px 16px 0px rgba(28, 118, 130, 1);
  background-color: rgba(28, 118, 130, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
}

.box input {
  width: 25rem;
  height: 6rem;
  padding: 1rem 2rem;
  border-radius: 2rem 0 0 2rem;
  outline: none;
  border: none;
}

.btn {
  width: 6rem;
  height: 6rem;
  padding: 1rem 2rem;
  border-radius: 0 2rem 2rem 0;
  background-color: rgba(219, 216, 3, 0.548);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.btn:hover {
  background-color: rgba(219, 215, 3, 0.733);
}

.top {
  display: flex;
}

.help {
  margin: 2rem 0;
  color: white;
}

.bottom {
  display: flex;
}

#characters {
  background-color: rgb(61, 58, 58);
  color: white;
  font-size: 1.9rem;
  font-weight: bold;
  letter-spacing: 0.5rem;
  text-align: center;
}

#characters__input {
  color: rgb(61, 58, 58);
  font-size: 1.9rem;
  font-weight: bold;
  letter-spacing: 0.5rem;
  text-align: center;
}

.match {
  margin-top: 1rem;
  font-weight: 700;
  color: rgba(72, 255, 0, 0.63);
}

@media (max-width: 500px) {
	.box {
		padding: 2rem;
	}

  .box input {
    width: 17rem;
    height: 6rem;
    padding: 1rem;
  }

	.btn {
		cursor: none;
	}
}