* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

:root {
    --orange:orange;
    --winning-blocks: green;
}

body {
    background-color: bisque;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-content: center;
}

.container {
    width: 389px;
    background-color: azure;
    margin-top: 10px;
    padding: 5px;
    align-items: center;
    border-radius: 16px;
    box-shadow: 0 0 1px 4px green;
}

h3 {
    text-align: center;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    margin: 10px;
}

.title {
    font-size: 2.5em;
    margin: 10px 0 0 0;
}

.player {
    font-size: 2em;
    margin: 7px 0 0 0;
}

.piece {
    font-size: 2em;
    margin: 7px 0 20px 0;
}

.gameBoard {
    margin: 20px;
    display: grid;
    grid-template-columns: auto auto auto;
    gap: 10px;
    background-color: #2196F3;
    padding: 10px;
  }

  .box {
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-size: 50px;
    font-weight: 600;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    width: 100px;
    height: 100px;
    background-color: azure;
    box-shadow: 0 0 4px 2px aqua;
  }

 .btn {
    display: flex;
    margin: 0 auto 10px auto;
    padding: 5px;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-size: 20px;
    font-weight: 500;
    color: azure;
    background-color: rgb(34, 109, 109);
    box-shadow: 0 0 4px 2px aqua;
    border: 2px solid black;
 }

 .btn:hover {
    opacity: .9;
 }