* {
    font-family: 'Trebuchet MS', 'Roboto';
    color: #6b6b6b;
}

body {
    background-color: #212121;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-items: center;
}

.center {
    text-align: center;
}

button#ClickBTN {
    background-color: #a52a2a;
    border: none;
    border-radius: 50%;
    aspect-ratio: 1/1;
    width: 10%;
    color: #cecece;
    font-size: large;
    transition: 0.1s;
}

button#ClickBTN:active {
    background-color: #7a1d1d;
}

p {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 20px;
}

p > span {
    font-size: large;
}