* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

.container {
    /* minimum height is set to the whole viewport */
    min-height: 100vh;
    /* displays the element inside the container in the middle */
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    background-color: #fff;
}

.number {
    /* bigger font appearance */
    font-size: 41.5rem;
    font-weight: 700;
    color: #000;
}

.text {
    position: absolute;
    z-index: 2; /* to make the text appear on top of the number */
    mix-blend-mode: difference; /* to make the text color #fff */
    font-size: 4rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    padding: 0 1rem;
}