.container-fluid{
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
    margin-top:-20px;
}

.botao-atividades{
    padding-top: 35px;
    margin-top: 22px;
}

.botao-ler {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}



body {
    font-family: sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
  }
  
  h1 {
    margin: 1rem;
  }
  
  button {
    font-size: 1.2rem;
    padding: 1rem;
    border: none;
    background-color: #007bff;
    color: white;
    border-radius: 0.3rem;
    cursor: pointer;
  }

#resultado{
  padding-top: 40px;
  font-size: 28px;
  font-weight: 500;
  margin-top: 175px;
  text-align: center;
  position: relative;
}

.camera{
  display: block;
  position: absolute;
  margin-top: 291px;
  margin-left: 7px;
  width: 356px;
  height: 196px;
}

.botao-ler{
  margin-top: 36px;
}