jqwidgets-framework/demos/React-TSX/editor/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, #app {
    width: 100%;
    height: 100%;
    overflow: hidden;
    padding: 3px;
    box-sizing: border-box;
    margin: 0;
}