style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap');

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

html {
  font-size: 62.5%;
}

body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  justify-content: center;
  align-items: center;
  font-family: 'Poppins', sans-serif;
  height: 100vh;
  background-color: rgb(29, 29, 29);
}

.logo {
  position: absolute;
  width: 100px;
  top: 30px;
}

.container_challenge {
  width: 60rem;
  height: 20rem;
  overflow: hidden;

  border: 1px solid rgba(255, 255, 255, 0.452);
  background-color: rgba(39, 39, 39, 0.884);
  border-radius: 1.3rem;

  display: grid;
  grid-template-rows: 18% 1fr;
}

.container_challenge_title {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: rgba(255, 255, 255, 0.74);
  font-weight: 400;
  letter-spacing: 0.5px;
  font-size: 1.5em;

  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.452);
}

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

.progressive_bar {
  width: 90%;
  height: 1rem;
  overflow: hidden;
  background-color: #64626e;
  border-radius: 2rem;
}

.current_bar {
  width: 100%;
  height: 100%;
  background-color: #a3ef52;
  transition: background-color 1s,
}

.input_row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  align-content: center;

  gap: 0.9rem;
  height: 100px;
  width: 90%;

}

.key-input {
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 0.5rem;
  aspect-ratio: 1;
  background-color: white;
  border: 1px solid rgb(68, 68, 68);
  font-size: 2em;
}

.key-input-right {
  background-color: #64626e;
  color: #464646;
  opacity: 0.5;
}

.button-start {
  width: 15rem;
  height: 5rem;
  border-radius: 1rem;
  border: none;
  outline: none;
  cursor: pointer;
  font-size: 2rem;
  letter-spacing: 1px;
  color: white;
  background-color: #74a73f;
}

.button-start:hover {
  background-color: #7fbd3d;
}

.button-stop {
  width: 15rem;
  height: 5rem;
  border-radius: 1rem;
  border: none;
  outline: none;
  cursor: pointer;
  font-size: 2rem;
  font-weight: 500;
  color: white;
  background-color: #b83131;
}

.button-stop:hover {
  background-color: #972424;
}

.bad_result {
  display: none;
  color: white;
  font-size: 2.8rem;
}

.content  {
  display: flex;
  flex-direction: column;
  text-align: center;
}

.content img  {
  border-radius: 8px;
  margin-bottom: 10px;
}

.good_result {
  display: none;
  color: white;
  font-size: 2.8rem;
}

.active {
  box-shadow: rgb(41, 245, 0) 0px 20px 30px -10px;
}

.links {
  margin-top: 6rem;
  display: flex;
  gap: 1rem;
}

.btn-dft {
  text-align: center;
}

.btn-dft button {
  margin-bottom: 10px;
}

.credits {
  position: absolute;
  bottom: 30px;
  text-align: center;
  font-size: 12px;
  color: #fff;
  opacity: 0.5;
}

.space-option {
  color: #fff;
  opacity: 0.5;
  text-align: center;
}

.space-option span {
  background: #464646;
  padding: 3px 5px 3px 7px;
  border-radius: 3px;
  display: inline-flex;
}

.credits a {
  text-decoration: none;
  color: #fff;
  opacity: 0.3;
}

.credits a:hover {
  opacity: 1;
  color: #fff;
}


@media (max-width: 620px) {
  .container_challenge {
    width: 95%;
    height: 20rem;
  }
}