html body {
    overflow-x: hidden;
    justify-content: center;
    text-align: center;
    margin-bottom: 1000vh;
}

/* big text*/
#zero,
#one,
#two,
#three,
#four,
#five,
#six {
    font-size: 4em;
    margin-top: 50vh;
}

/* small text*/
#zero_1,
#one_1,
#two_1,
#two_2,
#two_3,
#four_1,
#four_2,
#four_3 {
    font-size: 2em;
}



.you {
    color: #484844;
}


#two,
#two_1,
#two_2,
#two_3,
#four,
#four_2,
#four_3,
#five {
    color: #00cc00;
}



#two_div {
    margin-bottom: 300vh;
}

#four_div {
    margin-bottom: 300vh;
}

#colors button {
    margin: 0;
    padding: 0;
    border: 0;
    height: 10vh;
    width: 10vh;
}

button:nth-child(1) {
    background-color: red;
}

button:nth-child(2) {
    background-color: orange;
}

button:nth-child(3) {
    background-color: yellow;
}

button:nth-child(4) {
    background-color: lime;
}

button:nth-child(5) {
    background-color: green;
}

button:nth-child(6) {
    background-color: lightblue;
}

button:nth-child(7) {
    background-color: blue;
}

button:nth-child(8) {
    background-color: pink;
}

button:nth-child(9) {
    background-color: purple;
}