body {
    background-color: aquamarine;
}

h1 {
    margin-top: 3rem;
    font-size: 3rem;
}

#btn {
    font-size: large;
    padding: 1rem;
    border-radius: 10px;
    border: 2px solid;
    background-color: darkred;
    color: white;
    cursor: pointer;
}

table {
    border: 2px solid;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    background-color: blue;
    margin-top: 1rem;
    border-spacing: 20px;
}

td {
    width: 1.5cm;
    height: 1.5cm;
    border: 2px solid;
    cursor: pointer;
    border-radius: 50%;
    padding: 2px;
    background-color: white;
}

.title {
    text-align: center;
}

.red {
    background-color: red;
}

.yellow {
    background-color: yellow;
}

#win {
    text-align: center;
    padding: 1.5rem;
    width: 43%;
    margin: 1rem auto;
    border-radius: 10px;
}