body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: lightsalmon;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    display: flex;
    flex-direction: column;
}

h3 {
    color: #333;
    margin-bottom: 30px;
}

h1 {
    color: #333;
    margin-bottom: 0;
}

.board {
    display: grid;
    grid-template-columns: repeat(7, 70px);
    gap: 10px;
    margin-bottom: 20px;
    background-color: blue;
    padding: 20px;
    border-radius: 20px;
}

.cell {
    background-color: rgb(246, 97, 37);
    width: 70px;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-radius: 50%;
}

.cell.Down {
    background-color: lightsalmon;
}

.Red {
    background-color: red;
}

.Green {
    background-color: green;
}

.cell.Down:hover {
    opacity: .8;
}

#resetBtn {
    width: 200px;
    align-self: center;
    padding: 10px 20px;
    font-size: 1rem;
    background-color: lightcoral;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

#resetBtn:hover {
    background-color: lightpink;
}

.link {
    margin-top: 10px;
    color: black;
    text-decoration: none;
    background-color: lightcoral;
    width: 100px;
    align-self: center;
    border-radius: 10px;
}

#res {
    width: 100px;
    align-self: center;
    margin-top: 10px;
    border: none;
    border-radius: 10px;
    background-color: lightcoral;
    cursor: pointer;
}