Rename Parameters to Settings, fix typo.

static/sfu.css

@@ -804,7 +804,7 @@ h1 {
     display: inline-block;
 }
 
-header .colapse {
+header .collapse {
     float: left;
     text-align: center;
     cursor: pointer;

static/sfu.html

@@ -26,7 +26,7 @@
           <header>
             <nav class="topnav navbar navbar-expand navbar-light fixed-top">
               <div id="header">
-                <div class="colapse" title="Colapse left panel" id="sidebarCollapse">
+                <div class="collapse" title="Collapse left panel" id="sidebarCollapse">
                   <svg class="svg-inline--fa" aria-hidden="true" data-icon="align-left" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512">
                     <path fill="currentColor" d="M288 44v40c0 8.837-7.163 16-16 16H16c-8.837 0-16-7.163-16-16V44c0-8.837 7.163-16 16-16h256c8.837 0 16 7.163 16 16zM0 172v40c0 8.837 7.163 16 16 16h416c8.837 0 16-7.163 16-16v-40c0-8.837-7.163-16-16-16H16c-8.837 0-16 7.163-16 16zm16 312h416c8.837 0 16-7.163 16-16v-40c0-8.837-7.163-16-16-16H16c-8.837 0-16 7.163-16 16v40c0 8.837 7.163 16 16 16zm256-200H16c-8.837 0-16 7.163-16 16v40c0 8.837 7.163 16 16 16h256c8.837 0 16-7.163 16-16v-40c0-8.837-7.163-16-16-16z"></path>
                   </svg>
@@ -82,7 +82,7 @@
                 <li>
                   <div class="nav-button nav-link" id="openside">
                     <span><i class="fa fa-cog" aria-hidden="true"></i></span>
-                    <label>Parameters</label>
+                    <label>Settings</label>
                   </div>
                 </li>
               </ul>