.piano {
    display: flex;
    position: absolute;
    left: 250px;
    top: 250px;
}

.key {
    width: 50px;
    height: 175px;
    border: 1px solid black;
    margin: -4px;
    cursor: pointer;
}

.white {
    background-color: white;
}

.black {
    background-color: black;
    height: 90px;
    width: 35px;
    position: relative;
    top: -4px;
    margin: 0 -15px;
}

p {
    position: relative;
    left: 1px;
    top: 80%;
}

#div3 {
    margin-top: 30%;
}