body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    margin: 0;
}

.container {
    text-align: center;
}

.dice {
    font-size: 100px;
    margin-bottom: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}