body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  overflow-x: hidden;
  background: #e9e7e7;
  background-image: url(./img/Fundo.jpg);
  background-position: center center top;
  background-size: cover;
}

.container-index {
  text-align: center;
  margin-top: 25px;
}

h1 {
  background-color: #0979b0;
  color: white;
  border-radius: 5px;
  padding: 10px 5px;
  margin: 13px auto;
  width: 400px;
  transition: 1s;
  z-index: 1;
}

h3 {
  background-color: #0979b0;
  color: white;
  border-radius: 5px;
  margin: -25px auto;
  width: 400px;
  padding: 8px 5px;
  transition: 1s;
  z-index: 1;
}

.iniciar {
  margin-top: 60px;
}

.iniciar a {
  background-color: #0979b0;
  border-radius: 5px;
  width: 50px;
  padding: 8px 8px;
  color: white;
  text-decoration: none;
  font-size: 16px;
}

.iniciar a:hover {
  background-color: #008cff;
}

.video-desktop,
.video-mobile {
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.video-desktop video,
.video-mobile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  overflow: hidden;
}

.conteudo {
  margin-top: 25px;
}

.container-nome {
  width: 420px;
  margin: 25px auto;
  text-align: center;
  padding: 10px 0 30px 0;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  background-color: #9acef8d2;
}

.insira-nome {
  font-size: 18px;
  margin-bottom: 10px;
}

#user-name {
  padding: 6px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.quiz-container {
  width: 420px;
  margin: 25px auto;
  text-align: center;
  padding: 10px 0 30px 0;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  background-color: #9acef8d2;
}

span {
  color: rgb(8, 138, 30);
  font-weight: bold;
}

p {
  font-weight: bold;
  padding: 1px;
}

.fundo-p {
  background-color: white;
  margin: 10px auto;
  width: 201px;
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

input[type="number"] {
  width: 117px;
  padding: 6px;
  position: relative;
  top: 1px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

button.next-btn,
button.submit-btn {
  background-color: rgb(8, 138, 30);
  color: white;
  padding: 8px 9px;
  border: none;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

button.next-btn:hover,
button.submit-btn:hover {
  background-color: rgb(19, 185, 55);
}

#result {
  font-size: 22px;
  font-weight: bold;
  margin-top: 15px;
}

#retry-button {
  background-color: red;
  width: 165px;
  color: white;
  padding: 8px 14px;
  border: none;
  border-radius: 5px;
  margin-top: 10px;
  margin-bottom: 7px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

#retry-button:hover {
  background-color: blue;
}

#voltar {
  background-color: #0979b0;
  color: white;
  padding: 8px 9px;
  border-radius: 5px;
  border: none;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

#voltar:hover {
  background-color: #008cff;
}

.quiz-page {
  display: none;
}

.quiz-page.active {
  display: block;
}

footer {
  text-align: center;
  font-size: 11px;
  padding: 10px 0;
  background-color:  #9acef8d2;
  color: black;
  position: fixed;
  width: 100%;
  bottom: 0;
}

@media only screen and (min-width: 769px) {
  .video-mobile {
    display: none;
  }
}

@media only screen and (max-width: 768px) {
  .video-desktop {
    display: none;
  }

  .video-mobile {
    display: block;
  }
}

@media only screen and (max-width: 428px) {
  h1 {
    width: 90%;
    font-size: 28px;
  }

  h3 {
    width: 90%;
  }

  .container-nome {
    width: 90%;
  }

  .quiz-container {
    width: 90%;
  }

  input[type="number"] {
    padding: 6px;
    position: relative;
    top: 1px;
    border-radius: 6px;
  }

  .fundo-p {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    border-radius: 5px;
  }
}

@media only screen and (max-width: 390px) {
  h1 {
    font-size: 28px;
  }

  .container-nome {
    margin-top: -25px;
  }
  .quiz-container {
    margin-top: -10px;
  }
}

@media only screen and (max-width: 375px) {
  h1 {
    font-size: 24px;
  }

  .container-nome {
    margin-top: -35px;
  }
}

@media only screen and (max-width: 360px) {
  h3 {
    font-size: 16px;
  }
  .container-nome {
    margin-top: -17px;
  }

  #result {
    font-size: 17px;
  }
}

@media only screen and (max-width: 320px) {
  h1 {
    font-size: 22px;
  }

  h3 {
    font-size: 14px;
  }

  .container-index {
    font-size: 13px;
  }

  .container-nome {
    margin-top: -35px;
  }

  .quiz-container {
    margin-top: -15px;
  }

  .insira-nome {
    font-size: 14px;
  }

  #user-name {
    width: 145px;
    padding: 0px;
  }

  p {
    font-size: 13px;
  }

  .fundo-p {
    width: 143px;
    height: 19px;
    border-radius: 5px;
  }

  input[type="number"] {
    width: 86px;
    padding: 2px;
    position: relative;
    top: 2px;
    border-radius: 6px;
  }

  button.next-btn,
  button.submit-btn {
    font-size: 10px;
    padding: 6px;
  }

  #voltar {
    font-size: 10px;
    padding: 6px;
  }

  #retry-button {
    font-size: 10px;
    padding: 4px;
    width: 100px;
  }

  #result {
    font-size: 13px;
  }
}