* {
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 15px 0;
}

div {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 15px;
    border-radius: 3%;
}

.task3 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 2px solid #000;
    width: 250px;
}