style.css

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
  }
  
  body {
    height: 100vh;
    background: linear-gradient(#da2e2c 49%, #090029 49%, #090029 51%, #ffffff 51%);
  }
  
  .score-container,
  .game-container {
    position: absolute;
    transform: translate(-50%, -50%);
    left: 50%;
    top: 50%;
  }
  
  #start {
    background-color: #ffffff;
    height: 6em;
    width: 6em;
    font-size: 1.8em;
    border: 0.4em solid #090029;
    border-radius: 50%;
    cursor: pointer;
    animation: pulse 1.5s infinite alternate;
  }
  
  @keyframes pulse {
    from {
      transform: scale(1);
    }
    to {
      transform: scale(1.1);
    }
  }
  
  .game-container {
    background-color: #ffffff;
    width: 100%;
    max-width: 31em;
    padding: 3em 1.5em;
    border: 0.6em solid #090029;
    border-radius: 0.5em;
    animation: fadeIn 1s ease-in-out;
  }
  
  .timer span {
    font-weight: 600;
  }
  
  .header,
  .num {
    text-align: right;
  }
  
  .pokemon-image {
    display: block;
    margin: 3em auto 0 auto;
    animation: fadeIn 1s ease-in-out;
  }
  
  .options {
    display: flex;
    justify-content: center;
    gap: 0.5em;
    flex-wrap: wrap;
  }
  
  .options button {
    background-color: #ffffff;
    padding: 0.8em;
    border: 0.3em solid #090029;
    border-radius: 0.5em;
    box-shadow: 0 0.5em 0 0 #090029;
    cursor: pointer;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
  }
  
  .options button:hover {
    box-shadow: none;
    transform: translateY(0.6em);
  }
  
  .nxt-btn-div {
    margin-top: 3em;
    display: flex;
    justify-content: flex-end;
  }
  
  .next-btn {
    cursor: pointer;
    background-color: #090029;
    color: #ffffff;
    border-radius: 0.5em;
    font-size: 1.2em;
    padding: 0.8em 3em;
  }
  
  .hide {
    display: none;
  }
  
  .options:disabled {
    border-color: #a0a0a0;
    color: #a0a0a0;
    box-shadow: 0 0.5em 0 0 #a0a0a0;
    cursor: not-allowed;
  }
  
  .options button.correct {
    background: #58cc5d;
  }
  
  .options button.incorrect {
    background: #eb5650;
  }
  
  .options button.correct,
  .options button.incorrect {
    color: #ffffff;
    border-color: #090029;
    box-shadow: 0 0.5em 0 0 #090029;
  }
  
  .score-container,
  #user-score {
    color: #ffffff;
    animation: fadeIn 1s ease-in-out;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }