body {
    font-family: Arial, sans-serif;
    background-color: #fcfcff;
    margin: auto;
    padding: 1;
    text-align: center;
    padding-top: env(safe-area-inset-top);
}
header {
    color: rgb(0, 0, 0);
    padding: 0.25em;
    text-align: center;
    font-size: 20px;
    margin-top: 10px;
}
input {
  width: 85%;
  padding: 10px;
  font-size: 1rem;
  border: 2px solid #858585;
  border-radius: 8px;
  background-color: #fafafa;
  box-shadow: inset 0 0 0 2px transparent;
  margin: 5px;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

input:focus {
  outline: none;
  border-color: #0078d7;
  background-color: #fff;
  box-shadow: 0 0 0 3px rgba(0, 120, 215, 0.3);
}

input::placeholder {
  color: #545454;
  transition: color 0.3s ease;
}

.button {
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 10px 2px;
    cursor: pointer;
    background-color: rgb(0, 0, 0);
    border-radius: 25px
  }
.hide {
    display: none;
}

.correct {
    background-color: rgba(172, 255, 47, 0.5);
    border: 2px solid #51ff00;
}

.wrong {
    background-color: rgba(255, 0, 0, 0.5);
    border: 2px solid #ff0000;
    
}

#goOn {
  background-color: rgb(180, 255, 188);
  color: rgb(0, 0, 0);
  border: 2px solid #000000;
}