.container {
    background-image: radial-gradient(rgb(18, 182, 18), green);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 420px;
    height: 420px;
    border-radius: 6px;

}

body {
    width: 97vw;
    height: 90vh;
    background-color: #151515;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-direction: column;
}
.rules{
    display: flex;
    flex-direction: column;
    color: aliceblue;
    font-weight: 500;
    margin-bottom: 3rem;
}
.rules span {
    margin: 1rem 0;
}
.rules div{
    font-weight: 800;
    font-size: 1.4rem;
}
.head {
    font-size: 40px;
    font-weight: bold;
    color: rgb(231, 198, 7);
    font-family: Arial, Helvetica, sans-serif;
    margin-top: -10px;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;

}

.message,
.card,
.sum {
    font-size: 22px;

    font-weight: bold;
    color: whitesmoke;
    font-family: Arial, Helvetica, sans-serif;
}

button {
    width: 120px;
    height: 30px;
    border-radius: 4px;
    margin-bottom: 2%;
    border: none;
    background-color: rgb(231, 198, 7);
    color: rgb(21, 20, 20);
    font-weight: 500;
    font-family: Arial, Helvetica, sans-serif;
}

button:active {
    background-color: rgb(243, 215, 59);
}