#effects #colors {
    clear: both;
    margin: 0;
    display: grid;
    justify-content: center;
    grid-template-columns: repeat(16, 1fr);
    gap: 10px;
    padding: 2em;
    padding-top: 1em;
    padding-bottom: 1em;
    justify-items: center;
    align-items: center;
}

#effects #colors div {
    width: 24pt;
    height: 24pt;
    border: 2px solid black;
    background: black;
    transition: border-color 0.2s;
}

#effects #colors div.selected {
    border-color: white !important;
}