#artCanvas { 
    border: 4px solid black; 
    cursor: crosshair;
}
.palette { display: flex; margin: 10px 0; }
.color { width: 30px; height: 30px; cursor: pointer; margin: 0 5px; }

#paintBucket {
    background-color: darkgray;
    cursor: pointer;
}

#pencil {
    background-color: darkorange;
    cursor: pointer;
}