diff --git a/xwords4/wasm/main.c b/xwords4/wasm/main.c
index 1e9ddf313..761cba496 100644
--- a/xwords4/wasm/main.c
+++ b/xwords4/wasm/main.c
@@ -1014,17 +1014,8 @@ initWindow( Globals* globals, int winWidth, int winHeight )
 {
     // we're ready to go IFF we are inited.
     if ( !!globals->vtMgr ) {   /* inited? */
-        /* Figure height as twice width, then set to use 3/4 of it */
-        int useWidth = winWidth;
-        int useHeight = useWidth * 2;
-        if ( useHeight > winHeight ) {
-            useHeight = winHeight;
-            useWidth = useHeight / 2;
-        }
-        useHeight = useHeight * 100 / 145;
-
-        globals->useWidth = useWidth;
-        globals->useHeight = useHeight;
+        globals->useWidth = winWidth;
+        globals->useHeight = winHeight;
 
         if ( !!globals->window ) {
             SDL_DestroyRenderer(globals->renderer);
@@ -1033,7 +1024,7 @@ initWindow( Globals* globals, int winWidth, int winHeight )
             globals->window = NULL;
         }
 
-        SDL_CreateWindowAndRenderer( useWidth, useHeight, 0,
+        SDL_CreateWindowAndRenderer( winWidth, winHeight, 0,
                                      &globals->window, &globals->renderer );
 
         /* wipe the canvas to background */
@@ -1041,10 +1032,11 @@ initWindow( Globals* globals, int winWidth, int winHeight )
         SDL_RenderClear( globals->renderer );
 
         if ( !!globals->draw ) {
-            wasm_draw_resize( globals->draw, useWidth, useHeight );
+            wasm_draw_resize( globals->draw, winWidth, winHeight );
             resizeBoards( globals );
         } else {
-            globals->draw = wasm_draw_make( MPPARM(globals->mpool) useWidth, useHeight );
+            globals->draw = wasm_draw_make( MPPARM(globals->mpool)
+                                            winWidth, winHeight );
         }
 
         GameState* gs = getCurGame( globals );
@@ -2085,11 +2077,13 @@ gotDictBinary( GotDictProc proc, void* closure, const char* xwd,
 }
 
 void
-onResize(void* closure, int width, int height)
+onResize( void* closure, int width, int height )
 {
     CAST_GLOB( Globals*, globals, closure );
     XP_LOGFF( "width=%d, height=%d)", width, height );
     initWindow( globals, width, height );
+    updateGameButtons( globals );
+    updateDeviceButtons( globals );
 }
 
 /* On first launch, we may have an invitation. Or not. We want to ask for a
diff --git a/xwords4/wasm/shell_minimal.html b/xwords4/wasm/shell_minimal.html
index 40ea1fafe..a8845a851 100644
--- a/xwords4/wasm/shell_minimal.html
+++ b/xwords4/wasm/shell_minimal.html
@@ -13,7 +13,7 @@
         margin-right: auto;
       }
       button.xwbutton {
-        font-size: 2.6rem;
+      <!-- nothing right now -->
       }
       div.emscripten { text-align: center; }
       div.emscripten_border { border: 1px solid black; }
@@ -73,13 +73,11 @@
 		  border-color: #000;
 		  vertical-align: top;
 	      padding: 10px;
-          font-size: 2.0rem;
       }
 
       textarea.stringedit {
           height: 1em;
           resize: none;
-          font-size: 2.0rem;
 	  }
 
     </style>
@@ -96,9 +94,9 @@
     <div class="emscripten_border">
       <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
     </div>
-	<div class='buttonRow' id="game_buttons"></div>
+	<div class='buttonRow' id='game_buttons'></div>
     <hr/>
-    <div class='buttonRow' id="device_buttons"></div>
+    <div class='buttonRow' id='device_buttons'></div>
     <hr/>
     <table class='centered'>
         <tr><td>MQTT Dev ID:</td><td id="mqtt_span"></td></tr>
diff --git a/xwords4/wasm/xwutils.js b/xwords4/wasm/xwutils.js
index 6a69e1dea..8e7875fbc 100644
--- a/xwords4/wasm/xwutils.js
+++ b/xwords4/wasm/xwutils.js
@@ -6,6 +6,10 @@ var state = {client: null,
 			 connChangeStamp: 0,
 			};
 
+function fontSize() {
+	return (state.height / 500) + 'rem';
+}
+
 function ccallString(proc, closure, str) {
 	Module.ccall('cbckString', null, ['number', 'number', 'string'],
 				 [proc, closure, str]);
@@ -210,8 +214,18 @@ function jssetup(closure, dbg, devid, gitrev, now, noTabProc, focusProc, msgProc
 						 });
 
 	function callResize() {
-		ccall('onResize', null, ['number', 'number', 'number'],
-			  [state.closure, window.innerWidth, window.innerHeight]);
+        state.width = window.innerWidth;
+        state.height = state.width * 2;
+        if ( state.height > window.innerHeight ) {
+            state.height = window.innerHeight;
+            state.width = state.height / 2;
+        }
+        state.height = state.height * 100 / 151;
+
+        document.getElementById('nbalert').style['font-size'] = fontSize();
+
+        ccall('onResize', null, ['number', 'number', 'number'],
+            [state.closure, state.width, state.height]);
 	}
 	window.addEventListener('resize', function() {
 		const innerWidth = window.innerWidth;
@@ -270,6 +284,7 @@ function newButtonDiv(buttons, proc, asDivs) {
 		let button = document.createElement('button');
 		button.classList.add('xwbutton');
 		button.textContent = buttonTxt;
+		button.style['font-size'] = fontSize();
 		button.onclick = function() { proc(ii); };
 		if ( asDivs ) {
 			let bdiv = document.createElement('div');
@@ -364,6 +379,7 @@ function nbGetString(msg, dflt, proc, closure) {
 
 	let tarea = document.createElement('textarea');
 	tarea.classList.add('stringedit');
+	tarea.style['font-size'] = fontSize();
 	tarea.value = dflt;
 	div.appendChild( tarea );