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 {
	width:80%;
  border: 0.1rem solid rgb(8, 245, 245);
  padding: 1rem;
  border-radius: 0.5rem;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0rem;
  position: relative;
}

.top::before {
  content: "";
  width: 100%;
  height: 0.4rem;
  background-color: rgb(78, 76, 76);
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  z-index: -1;
}

.timeline {
  width: 0;
  height: 0.4rem;
  background-color: rgb(49, 226, 49);
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  transition: width 0.5s ease;
  z-index: -1;
}

.circle {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 3rem;
  height: 3rem;
  padding: 1rem;
  margin-right: 2rem;
  border: 0.3rem solid rgb(78, 76, 76);
  border-radius: 50%;
  color: white;
  background-color: #141627;
  transition: border-color 0.5s ease;
}

.circle.active {
  border-color: rgb(49, 226, 49);
}

.circle:last-child {
  margin-right: 0;
}

.body {
  min-height: 20rem;
}

.content {
  width: 100%;
  height: 15rem;
  border: 0.1rem solid rgb(8, 245, 245);
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
}

.btn__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn {
  width: 10rem;
	background-color: transparent;
	outline: none;
	font-size: 1.5rem;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  border: 0.1rem solid rgb(8, 245, 245);
  display: inline-block;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
	cursor: pointer;
  transition: background-color 0.5s ease;
}

.btn:disabled {
	background-color: rgba(8, 245, 245, 0.082);
	cursor: not-allowed;
}

.btn:disabled:hover{
	background-color: rgba(8, 245, 245, 0.082);
}

.btn:hover {
  background-color: rgb(8, 245, 245);
  color: #141627;
}


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