minor padpane style

Author: SharonStrats

src/pad/padPane.css

@@ -3,7 +3,7 @@
   min-width: 94%;
   margin-right: 3%;
   margin-left: 3%;
-  min-height: 13em;
+  min-height: 13rem;
   display: flex;
   flex-direction: column;
   box-sizing: border-box;
@@ -21,14 +21,18 @@
 }
 
 .pad-controls {
-  gap: 0.5em;
+  gap: 0.5rem;
   align-items: center;
 }
 
 .pad-cell {
   flex: 1 1 auto;
 }
 
+.pad-new-instance-message {
+  font-size: 140%;
+}
+
 @media (max-width: 600px) {
   .pad-controls .pad-cell {
     flex: 1 1 100%;

src/pad/padPane.ts

@@ -394,7 +394,7 @@ const paneDef: PaneDefinition = {
         // give the user links to the new app
 
         const p = div.appendChild(dom.createElement('p'))
-        p.setAttribute('style', 'font-size: 140%;')
+        p.classList.add('pad-new-instance-message')
         p.innerHTML =
           'Your <a href=\'' +
           newIndexDoc.uri +