jqwidgets-framework/demos/React-TSX/grid/fluidsize/src/App.css

jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.

body, html, #root {
    width: 100%;
    height: 100%;
    overflow: hidden;
    padding: 0px;
    margin: 0;
}