body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f0f0f0;
    font-family: 'Arial', sans-serif;
    background-image: url('img/spheresBackground.jpg');
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    color: #fff;
    font-size: 1.5em;
}

#board {
    display: grid;
    grid-template-rows: repeat(7, 60px);
    grid-template-columns: repeat(7, 60px);
    gap: 5px;
    margin: 20px auto;
    width: 455px;
    background-color: #333;
    padding: 5px;
    border-radius: 10px;
}

button {
  border-radius: 10px;
  background-color: #307;
  color: #fff;
}

h1 {
    font-size: 2.2em;
}

#container  {
  text-align: center;
  margin: auto;
  width: 455px;
}

.cell {
    width: 60px;
    height: 60px;
    background-color: #87CEFA;
    border-radius: 50%;
    position: relative;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cell:hover {
    background-color: #ADD8E6;
}

.disc {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    position: absolute;
    top: 5px;
    left: 5px;
}

.red {
    background-color: red;
}

.purple {
    background-color: purple;
}

#message {
    margin-top: 20px;
    padding: 3%;
    font-size: 1.2em;
    background: #000033;
    width: 96%;
    border-radius: 30px;
}

button {
    padding: 10px 20px;
    font-size: 1em;
    margin: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #ddd;
}