diff --git a/src/CodingContracts.ts b/src/CodingContracts.ts
index ace0bc44c..aab893d8e 100644
--- a/src/CodingContracts.ts
+++ b/src/CodingContracts.ts
@@ -59,6 +59,7 @@ export class CodingContractType {
 export const CodingContractTypes: IMap<CodingContractType> = {};
 
 for (const md of codingContractTypesMetadata) {
+    // tslint:disable-next-line
     CodingContractTypes[md.name] = new CodingContractType(md.name, md.desc, md.gen, md.solver, md.difficulty, md.numTries);
 }
 console.info(`${Object.keys(CodingContractTypes).length} Coding Contract Types loaded`);
@@ -171,8 +172,10 @@ export class CodingContract {
                             "after which the contract will self-destruct.\n\n",
                             `${contractType.desc(this.data)}`].join(" "),
             });
-            const answerInput: HTMLInputElement = createElement("input", {
-                onkeydown:(e)=>{
+            let answerInput: HTMLInputElement;
+            let solveBtn: HTMLElement;
+            answerInput = createElement("input", {
+                onkeydown: (e: any) => {
                     if (e.keyCode === 13 && answerInput.value !== "") {
                         e.preventDefault();
                         solveBtn.click();
@@ -180,7 +183,7 @@ export class CodingContract {
                 },
                 placeholder: "Enter Solution here",
             }) as HTMLInputElement;
-            const solveBtn: HTMLElement = createElement("a", {
+            solveBtn = createElement("a", {
                 class: "a-link-button",
                 clickListener: () => {
                     const answer: string = answerInput.value;
diff --git a/src/data/codingcontracttypes.ts b/src/data/codingcontracttypes.ts
index 106222f77..3f26c7724 100644
--- a/src/data/codingcontracttypes.ts
+++ b/src/data/codingcontracttypes.ts
@@ -31,16 +31,15 @@ function removeBracketsFromArrayString(str: string) {
 }
 
 function convert2DArrayToString(arr: any[][]) {
-    let res = "";
     const components: string[] = [];
-    arr.forEach((e) => {
-        let s = e.toString();
+    arr.forEach((e: any) => {
+        let s: string = e.toString();
         s = ["[", s, "]"].join("");
         components.push(s);
     });
 
-    res = components.join(",");
-    return res.replace(/\s/g, "");
+    return components.join(",")
+                     .replace(/\s/g, "");
 }
 
 export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
@@ -211,7 +210,8 @@ export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
                 if (++l > r) { break; }
             }
 
-            const sanitizedPlayerAns: string = removeBracketsFromArrayString(ans).replace(/\s/g, "");
+            const sanitizedPlayerAns: string = removeBracketsFromArrayString(ans)
+                                               .replace(/\s/g, "");
             const playerAns: any[] = sanitizedPlayerAns.split(",");
             for (let i: number = 0; i < playerAns.length; ++i) {
                 playerAns[i] = parseInt(playerAns[i], 10);
@@ -362,7 +362,8 @@ export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
                 }
             }
 
-            let sanitizedAns: string = removeBracketsFromArrayString(ans).replace(/\s/g, "");
+            const sanitizedAns: string = removeBracketsFromArrayString(ans)
+                                         .replace(/\s/g, "");
             const ansArr: string[] = sanitizedAns.split(",");
             if (ansArr.length !== ret.length) { return false; }
             for (const ipInAns of ansArr) {
diff --git a/stylelint.config.js b/stylelint.config.js
index 15b4e08b5..34255608b 100644
--- a/stylelint.config.js
+++ b/stylelint.config.js
@@ -277,6 +277,7 @@ module.exports = {
             "active",
             "after",
             "before",
+            "disabled",
             "focus",
             "hover",
             "link",