A lot of changes and reducing the size of index.js

This should have general improvements, some things are half implemented, and still need some work, let me know if y'all see any bugs

webpage/fullscreen.js

@@ -180,21 +180,27 @@ class fullscreen{
                 select.addEventListener("change",array[3]);
                 return div;
             }
-            case "tabs":
+            case "tabs":{
                 const table=document.createElement("table");
                 const tabs=document.createElement("tr");
+                tabs.classList.add("tabbed-head");
                 table.appendChild(tabs);
+                const td=document.createElement("td");
+                tabs.appendChild(td);
                 const content=document.createElement("tr");
+                content.classList.add("tabbed-content");
                 table.appendChild(content);
+
                 let shown;
                 for(const thing of array[1]){
-                    const td=document.createElement("td");
+
                     const button=document.createElement("button");
                     button.innerText=thing[0];
                     td.appendChild(button);
-                    tabs.appendChild(td);
+
 
                     const tdcontent=document.createElement("td");
+                    tdcontent.colSpan=array[1].length;
                     tdcontent.appendChild(this.tohtml(thing[1]));
                     content.appendChild(tdcontent);
                     if(!shown){
@@ -209,6 +215,7 @@ class fullscreen{
                     })
                 }
                 return table;
+            }
             default:
                 console.error("can't find element:"+array[0],"  full element:"+array)
                 return;