#background-tools { position: fixed; right: 140px; bottom: 20px; z-index: 6; }
.background-tool { position: relative; cursor: pointer; }
#background-color { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.background-tool:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }