#process {
  margin-bottom: 25px;
}
#process h1 {
  font-size: 26px;
  font-weight: bold;
}
#process .buttons {
  max-width: 50%;
}
#process .stages {
  max-width: 90%;
}
#process .stages,
#process .buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 25px;
}
#process .stages .stage,
#process .stages .button,
#process .buttons .stage,
#process .buttons .button {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}
#process .stages .stage button,
#process .stages .button button,
#process .buttons .stage button,
#process .buttons .button button {
  margin-top: 10px;
  position: relative;
  border: 1px solid black;
}
#process .stages .stage button::after,
#process .stages .button button::after,
#process .buttons .stage button::after,
#process .buttons .button button::after {
  content: "";
  position: absolute;
}
#process .stages .stage button,
#process .buttons .stage button {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: none;
}
#process .stages .stage button::after,
#process .buttons .stage button::after {
  width: 50%;
  height: 50%;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: red;
}
#process .stages .stage button.active::after,
#process .buttons .stage button.active::after {
  background: green;
}
#process .stages .button button,
#process .buttons .button button {
  width: 80px;
  height: 30px;
  border-radius: 15px;
  background: red;
}
#process .stages .button button::after,
#process .buttons .button button::after {
  top: -1px;
  left: -1px;
  width: 40px;
  height: 30px;
  border-radius: 15px;
  background: gray;
  transition: 0.3s transform;
}
#process .stages .button button.active,
#process .buttons .button button.active {
  background: green;
}
#process .stages .button button.active::after,
#process .buttons .button button.active::after {
  transform: translateX(100%);
}