testbed/Textualize__textual/docs/examples/guide/reactivity/watch01.css

Input {
    dock: top;
    margin-top: 1;
}

#colors {
    grid-size: 2 1;
    grid-gutter: 2 4;
    grid-columns: 1fr;
    margin: 0 1;
}

#old {
    height: 100%;
    border: wide $secondary;
}

#new {        
    height: 100%;
    border: wide $secondary;
}