body {
    display: flex;
    flex-direction: row;
}

#buttons {
    margin: 10px;
    /* padding: 10px; */
    display: flex;
    flex-direction: column;
}
#colors {
    margin: 10px;
    /* padding: 10px; */
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    /* background: grey; */
}

.box {
    width: 20px;
    height: 20px;
}
.red {
    background: red;
}
.green {
    background: green;
}

.blue {
    background: blue;
}