chore(app): remove unnecessary css

Author: Niklas Kiefer

app/index.html

@@ -29,16 +29,6 @@
       flex: 1;
     }
 
-    #app-container {
-      position: absolute;
-      width: 80%;
-      left: 10%;
-      bottom: 0;
-
-      display: flex;
-      flex-direction: column;
-    }
-
     #properties-container {
       overflow-y: auto;