.color-div-container {
    display: flex;
    flex-direction: row;
    width: 100%;
    justify-content: space-around;
    text-align: center;
    flex-wrap: nowrap;
}

.color-div {
    height: 150px;
    flex: 1;
    margin: 5px;
}

.speaker-target {
    border: 5px solid black;
}