body {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    margin: 2em 1em;
    
    height: 100%;
    
    font-family: 'Inter', sans-serif;
    text-align: center;
    background-color: hsl(0, 0%, 93%);
  }
  
  .container {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 2em;
    
    background-color: white;
    padding: 4em;
    border-radius: 20px;
  }
  
  #game {
    display: grid;
    grid-auto-flow:column dense;
    grid-template-rows: 110px 110px;
    grid-auto-columns: 110px;
    
    
  }
  
  .square {
    width: 100px;
    height: 100px;
    display: inline-block;
    margin: 5px;
    cursor: pointer;
    border-radius: 10px;
    box-sizing: border-box;
    
    background-color: hsl(212, 100%, 63%);
  }
  
  .diff {
    background-color: hsl(212, 100%, 40%);
  }
  
  h1 {
    font-size: 40px;
    font-weight: 900;
    margin: 0;
  }
  
  div, p {
    font-weight: 400;
    font-size: 20px;
  }
  
  #score {
    text-align: center;
    line-height: 2;
    padding: 1em 3em;
    border: 1px solid hsl(0, 0%, 93%);
    border-radius: 10px;
  }
  
  #try-again {
    padding: 1em 3em;
    background-color: hsl(0, 0%, 93%);
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: none;
  }
  
  #try-again:hover {
    background-color: hsl(0, 0%, 85%);
    transition: background-color 0.3s ease;
  }