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

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

.myTooltip {
    padding: 10px;
    font-size: 1.2em;
    border-style: dashed;
    border-width: 3px;
    border-radius: 4px;
}

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