Vertical {
    background: blue;
  
}

#container {
    width:50%; 
    height: auto; 
    align-horizontal: center;
    padding: 1; 
    border: heavy white; 
    background: white 50%; 
    overflow-y: auto    
}

TextWidget {
    /* width: 50%; */
    height: auto;
    padding: 2; 
    background: green 30%;
    border: yellow;
    box-sizing: border-box;    
}