textual/sandbox/align.css

Screen {
    layout: vertical;
    overflow: auto;
}

Widget {
    margin:1;
}

#thing {
    width: auto;
    height: auto;
    
    background:magenta;
    margin: 3;
    padding: 1;
    border: solid white;
    box-sizing: content-box;
    /* border: solid white; */
    align-horizontal: center;    
}


#thing2 {
    width: auto;
    height: 10;
    /* border: solid white; */
     outline: heavy blue; 

    padding: 1 2;
    box-sizing: content-box;

    background:green;
    align-horizontal: center;
    color:white;
}


#thing3 {
    width: 20;
    height: 10;
    margin: 1;
    background:blue;
    align-horizontal: center;
}