This sample shows how to use the Dojo layout widgets to create a layout with a Map shown at 95% width and height with a border and a 2% margin. This layout is ideal to show a background image or color to match another site.
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/> <title>Full Map Layout - Border and Margin</title> <link rel="stylesheet" href="https://js.arcgis.com/3.46/dijit/themes/claro/claro.css"> <link rel="stylesheet" href="https://js.arcgis.com/3.46/esri/css/esri.css"> <style> html, body { height: 100%; width: 100%; margin: 0; padding: 0; } body{ background-color:#feffff; overflow:hidden; font-family: "Trebuchet MS"; margin: 2%; } #map{ border-radius: 4px; overflow: hidden; border:solid 4px #799d15; } </style> <script>var dojoConfig = { parseOnLoad: true };</script> <script src="https://js.arcgis.com/3.46/"></script> <script> dojo.require("dijit.layout.BorderContainer"); dojo.require("dijit.layout.ContentPane"); dojo.require("esri.map"); var map; function init() { map = new esri.Map("map", { basemap: "streets-vector", center: [-102.524, 46.937], zoom: 4 }); } dojo.ready(init); </script> </head> <body class="claro"> <div data-dojo-type="dijit.layout.BorderContainer" data-dojo-props="design:'headline', gutters:false" style="width: 96%; height: 94%;"> <div id="map" data-dojo-type="dijit.layout.ContentPane" data-dojo-props="region:'center'"> </div> </div> </body> </html>