body {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #060606;
    margin: 0;
    padding: 0;
    color: #fff;
  }
  h1 {
    margin-top: 20px;
  }
  .logo
  {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    max-width: 400px;
    max-height: 70px;
    margin-top: 30px;
  }
  img
  {
    width: 100%;
  }
  p {
    max-width: 330px;
    margin-bottom: 20px;
    text-align: left;
  }
  #grid-container {
    display: grid;
    grid-template-columns: repeat(5, 60px);
    grid-gap: 10px;
    justify-content: center;
    margin: 20px auto;

  }
  
  .grid-item {
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #26ff2d;
    color: #00000095;
    font-size: 25px;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.546);
    border-radius: 10px;
    user-select: none;
    transition: 0.5s;
  }
  .wrong
  {
    background-color: #ff3f53;
    border: 1px solid rgba(255, 255, 255, 0.362);

  }
  
  .hidden {
    background-color: #2e2e2e;
    color: #cccccc00;
    border: 1px solid rgba(255, 255, 255, 0.124);
  }
  .btn-container
  {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 400px;
    height: 50px;
  }
  #restart {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #ff256a;
    color: rgba(255, 255, 255, 0.864);
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.492);
    cursor: pointer;
    border-radius: 7px;
    margin: 5px;
  }
  .about-btn {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #2599ff;
    color: rgba(255, 255, 255, 0.864);
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.492);
    cursor: pointer;
    border-radius: 7px;
    margin: 5px;
  }

  .notification {
    display: flex;
    position: fixed;
    top: 10px;
    left: 50%;
    width: 100%;
    max-width: 300px;
    transform: translateX(-50%);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 18px;
    z-index: 1000;
    text-align: left;
    animation: mymove 5s infinite;
    border: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 10px 3px #000;

  }
  
  .notification.info {
    background-color: #212121;
    color: #2196f3;
    font-weight: 500;
  }
  
  .notification.success {
    background-color: #4caf50;
    color: white;
  }
  
  .notification.error {
    background-color: #212121;
    color: #ff3a6e;
    font-weight: 500;
  }
  
  @keyframes mymove {
    0%{
        top: -50px
    }
    30%{
        top: 20px
    }    
    70%{
        top: 20px
    }
    100%{
        top: -50px
    }


  }
  #restart:hover {
    background-color: #e64a19;
  }
  

  
  .about-btn:hover {
    background-color: #1976d2;
  }
  
  /* About container */
  .about-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
  }
  
  /* About content */
  .about-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background-color: #1f1f1f;
    color: #ffffffd7;
    border: 1px solid rgba(255, 255, 255, 0.124);
    padding: 15px;
    border-radius: 20px;
    text-align: center;
    width: 90%;
    max-width: 400px;
  }
  
  /* Close button */
  .close-btn {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 700;
    width: 100%;
    background-color: #ff3f62;
    color: rgba(0, 0, 0, 0.535);
    border: none;
    border-radius: 6px;
    cursor: pointer;
  }
  
  .close-btn:hover {
    background-color: #d32f2f;
  }
  
  /* Hide class */
  .about-container.hidden {
    display: none;
  }
  .about-desc
  {
    width: 100%;
    max-width: 370px;
  }