Tidy some formatting in OSD config tab

tabs/osd.css

@@ -422,30 +422,30 @@ button {
 }
 
 .tab-osd .alarms label {
-    display: block;
-    width:100%;
-    border-bottom: 1px solid #ddd;
-    margin-top:5px;
-    padding-bottom: 5px
-    }
-    
+  display: block;
+  width:100%;
+  border-bottom: 1px solid #ddd;
+  margin-top:5px;
+  padding-bottom: 5px
+}
+
 .tab-osd .alarms label:last-child {
-    border-bottom: none;
-    padding-bottom: 0px
-    }
-    
+  border-bottom: none;
+  padding-bottom: 0px
+}
+
 .tab-osd .alarms input {
-    width: 55px;
-    padding-left: 3px;
-    height: 18px;
-    line-height: 20px;
-    text-align: left;
-    border: 1px solid silver;
-    border-radius: 3px;
-    margin-right: 11px;
-    font-size: 11px;
-    font-weight: normal;    
-    }
+  width: 55px;
+  padding-left: 3px;
+  height: 18px;
+  line-height: 20px;
+  text-align: left;
+  border: 1px solid silver;
+  border-radius: 3px;
+  margin-right: 11px;
+  font-size: 11px;
+  font-weight: normal;
+}
 
 .timer-option {
   float: none !important;

tabs/osd.js

@@ -1065,17 +1065,17 @@ TABS.osd.initialize = function (callback) {
           // ask for the OSD config data
           MSP.promise(MSPCodes.MSP_OSD_CONFIG)
           .then(function(info) {
-              
+
             OSD.chooseFields();
-            
+
             OSD.msp.decode(info);
-            
+
             if (OSD.data.state.haveSomeOsd == 0) {
               $('.unsupported').fadeIn();
               return;
             }
             $('.supported').fadeIn();
-            
+
             // show Betaflight logo in preview
             var $previewLogo = $('.preview-logo').empty();
             $previewLogo.append(