minor fixes

static/sfu.css

@@ -795,6 +795,7 @@ header .colapse {
     font-size: 1.3rem;
     font-weight: 900;
     color: #dbd9d9;
+    line-height: 44px;
 }
 
 .header-sep {

static/sfu.html

@@ -151,7 +151,7 @@
         </div>
 
         <label for="sendselect">Send:</label>
-        <select id="sendselect">
+        <select id="sendselect" class="select select-inline">
           <option value="lowest">lowest</option>
           <option value="low">low</option>
           <option value="normal" selected>normal</option>
@@ -169,6 +169,6 @@
 
     <script src="/protocol.js" defer></script>
     <script src="/sfu.js" defer></script>
-    <script src="/scripts/toastify-js" defer></script>
+    <script src="/scripts/toastify.js" defer></script>
   </body>
 </html>

static/sfu.js

@@ -143,6 +143,7 @@ document.getElementById('presentbutton').onclick = function(e) {
 document.getElementById('unpresentbutton').onclick = function(e) {
     e.preventDefault();
     delUpMediaKind('local');
+    resizePeers();
 };
 
 function changePresentation() {
@@ -642,6 +643,9 @@ function resizePeers() {
         Object.keys(serverConnection.down).length;
     let peers = document.getElementById('peers');
     let columns = Math.ceil(Math.sqrt(count));
+    if (!count)
+        // No video, nothing to resize.
+        return;
     let rows = "";
     let size = 100 / columns;
     // Peers div has padding 10 on top and bottom, remove 20 on offsetHeight