html,
body{
    background: var(--default);

}
:root{
    --default:#121213;
    --empty:#3a3a3c;
    --wrong:#b59f3b;
    --right:#538d4e;

}
#game{
    display: grid;
    place-items: center;
    width:100% ;
    height: 600px;
}
.grid{
    display: grid;
    grid-template-columns: repeat(5,auto);
    grid-template-rows: repeat(6,auto);
}
.box{
    width: 60px;
    height: 60px;
    border: 2px solid var(--empty);
    margin: 4px;
    color:white;
    text-transform: uppercase;
    display: grid;
    place-items: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.4rem;
}
.box.empty{
background:var(--empty);
}
.box.wrong{
background: var(--wrong);
}
.box.right{
background: var(--right);
}
.animated {
    animation: flip 0.5s ease;
  }
  
  @keyframes flip {
    0% {
      transform: scaleY(1);
    }
    50% {
      transform: scaleY(0);
    }
    100% {
      transform: scaleY(1);
    }
  }
  
  .title {
    color: white;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 3rem;
    margin-bottom: 0;
    position: relative;
  }
  
  .title-word-clone {
    position: absolute;
    left: calc(50% + 75px);
    transform: rotate(25deg);
    color: yellow;
    font-size: 1.2rem;
  }
  
  hr {
    border-style: solid;
    border-color: var(--empty);
    border-width: 1px;
  }