Fixing validation

src/views/demoComponent/DemoComponent9.js

     const validateMargins = () => {
         const array = (margins).split(",");
         let allNums = true;
-        array.forEach(function (element) {if (isNaN(parseInt(element))) {allNums = false; setMargins("");;return;}});
+        array.forEach(function (element) {if (isNaN(element)) {allNums = false; setMargins("");}});
         if (array.length === 4 && (margins).split(",").length === 4 && allNums === true) {
             return true;
         } else {