diff --git a/assets/css/2-double-bounce.css b/assets/css/2-double-bounce.css
deleted file mode 100755
index 92c34ef8..00000000
--- a/assets/css/2-double-bounce.css
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * This is Spinkit by the awesome Tobias Ahlin!
- * http://tobiasahlin.com/spinkit/
- */
-/*
- *  Usage:
- *
-      <div class="sk-double-bounce">
-        <div class="sk-child sk-double-bounce1"></div>
-        <div class="sk-child sk-double-bounce2"></div>
-      </div>
- *
- */
-.sk-double-bounce {
-  width: 40px;
-  height: 40px;
-  position: relative;
-  margin: 40px auto; }
-  .sk-double-bounce .sk-child {
-    width: 100%;
-    height: 100%;
-    border-radius: 50%;
-    background-color: #333;
-    opacity: 0.6;
-    position: absolute;
-    top: 0;
-    left: 0;
-    -webkit-animation: sk-doubleBounce 2s infinite ease-in-out;
-            animation: sk-doubleBounce 2s infinite ease-in-out; }
-  .sk-double-bounce .sk-double-bounce2 {
-    -webkit-animation-delay: -1.0s;
-            animation-delay: -1.0s; }
-
-@-webkit-keyframes sk-doubleBounce {
-  0%, 100% {
-    -webkit-transform: scale(0);
-            transform: scale(0); }
-  50% {
-    -webkit-transform: scale(1);
-            transform: scale(1); } }
-
-@keyframes sk-doubleBounce {
-  0%, 100% {
-    -webkit-transform: scale(0);
-            transform: scale(0); }
-  50% {
-    -webkit-transform: scale(1);
-            transform: scale(1); } }
diff --git a/assets/css/new-challenge.css b/assets/css/new-challenge.css
index 9b50ac3a..c70eb786 100644
--- a/assets/css/new-challenge.css
+++ b/assets/css/new-challenge.css
@@ -117,63 +117,56 @@ gre7-border.border-box code {
    display: inline-block;
 }
 
- /* VERIFY
-    -------------------------------------------------------------------------- */
+/* VERIFY
+  -------------------------------------------------------------------------- */
 
- .verify h3 {
-   display: inline-block;
-   padding-right: 12px;
- }
-
- #path-required-warning,
- #div-selected-dir{
-   padding: 6px 12px 6px 10px;
-   vertical-align: middle;
-   margin-bottom: 0;
-   font-size: 13px;
-   font-weight: 400;
-   text-align: center;
-   white-space: nowrap;
-   margin-left: -3px;
-   color: #8cf;
- }
+.verify h3 {
+  display: inline-block;
+  padding-right: 12px;
+}
 
- .verify-fail:before {
-   content: '✗ ';
- }
+#path-required-warning,
+#div-selected-dir{
+  padding: 6px 12px 6px 10px;
+  vertical-align: middle;
+  margin-bottom: 0;
+  font-size: 13px;
+  font-weight: 400;
+  text-align: center;
+  white-space: nowrap;
+  margin-left: -3px;
+  color: #8cf;
+}
 
- .verify-pass:before {
-   content: '✔︎ ';
- }
+.verify-fail:before {
+  content: '✗ ';
+}
 
- #verify-list {
-   display: none;
-   list-style: none;
-   padding-left: 0;
- }
+.verify-pass:before {
+  content: '✔︎ ';
+}
 
- #challenge-completed {
-   color: #2BDA9E;
-   font-size: 24px;
-   font-family: "NothingYouCouldDo";
- }
+#verify-list {
+  display: none;
+  list-style: none;
+  padding-left: 0;
+}
 
- #challenge-completed h2 {
-   padding: 0; margin: 0;
- }
+#challenge-completed {
+  color: #2BDA9E;
+  font-size: 24px;
+  font-family: "NothingYouCouldDo";
+}
 
- #verify-spinner.sk-double-bounce {
-   display: none;
-   width: 26px;
-   height: 26px;
-   position: relative;
-   margin: 0 auto 0 14px;
-   vertical-align: middle;
- }
+#challenge-completed h2 {
+  padding: 0; margin: 0;
+}
 
- #verify-spinner.sk-double-bounce .sk-child {
-   background-color: #E0E0E0;
- }
+#verify-spinner.sk-bounce {
+  display: none;
+  margin-left: 14px;
+  vertical-align: middle;
+}
 
 /* CODE STYLES
    -------------------------------------------------------------------------- */
diff --git a/assets/css/sk-bounce.css b/assets/css/sk-bounce.css
new file mode 100644
index 00000000..6e677176
--- /dev/null
+++ b/assets/css/sk-bounce.css
@@ -0,0 +1,46 @@
+/*
+ * This is a part of Spinkit by the awesome Tobias Ahlin!
+ * http://tobiasahlin.com/spinkit/
+ */
+
+/* Bounce Usage
+  <div class="sk-bounce">
+    <div class="sk-bounce-dot"></div>
+    <div class="sk-bounce-dot"></div>
+  </div>
+*/
+
+/* Config */
+:root {
+  --sk-size: 26px;
+  --sk-color: #E0E0E0;
+}
+
+/* Implementation */
+.sk-bounce {
+  width: var(--sk-size);
+  height: var(--sk-size);
+  position: relative;
+}
+
+.sk-bounce-dot {
+  width: 100%;
+  height: 100%;
+  border-radius: 50%;
+  background-color: var(--sk-color);
+  opacity: 0.6;
+  position: absolute;
+  top: 0;
+  left: 0;
+  animation: sk-bounce 2s infinite cubic-bezier(0.455, 0.03, 0.515, 0.955); 
+}
+
+.sk-bounce-dot:nth-child(2) { animation-delay: -1.0s; }
+
+@keyframes sk-bounce {
+  0%, 100% {
+    transform: scale(0);
+  } 45%, 55% {
+    transform: scale(1); 
+  } 
+}
diff --git a/lib/verify/branches_arent_just_for_birds.js b/lib/verify/branches_arent_just_for_birds.js
index ff5ecc95..1f1fa7cc 100644
--- a/lib/verify/branches_arent_just_for_birds.js
+++ b/lib/verify/branches_arent_just_for_birds.js
@@ -7,7 +7,7 @@ const { addToVerifyList, checkChallengeComplete, execGit, getEmptyVerifyResult }
 // verify they've pushed
 // check the file is in contributors directory
 
-module.exports = function (repopath) {
+module.exports = async function (repopath) {
   const result = getEmptyVerifyResult()
   let username = ''
 
@@ -19,7 +19,7 @@ module.exports = function (repopath) {
 
   // Get stored username
   try {
-    username = execGit('config user.username', { cwd: repopath })
+    username = await execGit('config user.username', { cwd: repopath })
   } catch (err) {
     addToVerifyList('Error: ' + err.message, false, result.verifyList)
     return result
@@ -27,7 +27,7 @@ module.exports = function (repopath) {
 
   let currentBranch = ''
   try {
-    currentBranch = execGit('rev-parse --abbrev-ref HEAD', { cwd: repopath })
+    currentBranch = await execGit('rev-parse --abbrev-ref HEAD', { cwd: repopath })
 
     const expectedBranch = 'add-' + username
     if (currentBranch.match(expectedBranch)) {
@@ -67,7 +67,7 @@ module.exports = function (repopath) {
   // TODO look into this, is using reflog the best way? what about origin?
   // sometimes it seems this doesn't work
   try {
-    const log = execGit('reflog show origin/' + currentBranch, { cwd: repopath })
+    const log = await execGit('reflog show origin/' + currentBranch, { cwd: repopath })
 
     if (log.match('update by push')) {
       addToVerifyList('verify~Changes have been pushed!', true, result.verifyList)
diff --git a/lib/verify/commit_to_it.js b/lib/verify/commit_to_it.js
index 54d76953..41496e54 100644
--- a/lib/verify/commit_to_it.js
+++ b/lib/verify/commit_to_it.js
@@ -2,7 +2,7 @@ const fs = require('fs')
 const { addToVerifyList, checkChallengeComplete, execGit, getEmptyVerifyResult } = require('./verify-helpers')
 
 // check that they've commited changes
-module.exports = function (path) {
+module.exports = async function (path) {
   const result = getEmptyVerifyResult()
 
   // path should be a directory
@@ -12,7 +12,7 @@ module.exports = function (path) {
   }
 
   try {
-    const show = execGit('status', { cwd: path })
+    const show = await execGit('status', { cwd: path })
 
     if (show.match('No commits yet')) {
       addToVerifyList("verify~Can't find committed changes.", false, result.verifyList)
diff --git a/lib/verify/forks_and_clones.js b/lib/verify/forks_and_clones.js
index 3cce4e1b..e8b72db7 100644
--- a/lib/verify/forks_and_clones.js
+++ b/lib/verify/forks_and_clones.js
@@ -5,7 +5,7 @@ const { addToVerifyList, checkChallengeComplete, execGit, getEmptyVerifyResult }
 // that they've also then forked and cloned.
 // TODO Separate check on fork for nice feedback?!
 
-module.exports = function (path) {
+module.exports = async function (path) {
   const result = getEmptyVerifyResult()
   let username = ''
 
@@ -17,7 +17,7 @@ module.exports = function (path) {
 
   // Get stored username
   try {
-    username = execGit('config user.username')
+    username = await execGit('config user.username')
   } catch (err) {
     addToVerifyList('Error: ' + err.message, false, result.verifyList)
     return result
@@ -25,7 +25,7 @@ module.exports = function (path) {
 
   let remotes = []
   try {
-    const out = execGit('remote -v', { cwd: path })
+    const out = await execGit('remote -v', { cwd: path })
     remotes = out.split('\n')
 
     if (remotes.length !== 4) {
diff --git a/lib/verify/get_git.js b/lib/verify/get_git.js
index 99277a66..b8513446 100644
--- a/lib/verify/get_git.js
+++ b/lib/verify/get_git.js
@@ -3,12 +3,12 @@ const { addToVerifyList, checkChallengeComplete, execGit, getEmptyVerifyResult }
 // TODO
 // Think about how best to show errors to user
 
-module.exports = function () {
+module.exports = async function () {
   const result = getEmptyVerifyResult()
 
   // Check version, return if no git installed, as further checks are useless.
   try {
-    const gitOutput = execGit('--version')
+    const gitOutput = await execGit('--version')
 
     if (gitOutput.match('git version')) {
       addToVerifyList('verify~Found Git installed!', true, result.verifyList)
@@ -24,7 +24,7 @@ module.exports = function () {
 
   // Check user.name
   try {
-    const name = execGit('config user.name')
+    const name = await execGit('config user.name')
 
     if (name !== '') {
       addToVerifyList('verify~Name Added!', true, result.verifyList)
@@ -38,7 +38,7 @@ module.exports = function () {
 
   // Check user.email
   try {
-    const email = execGit('config user.email')
+    const email = await execGit('config user.email')
 
     if (email !== '') {
       addToVerifyList('verify~Email Added!', true, result.verifyList)
diff --git a/lib/verify/githubbin.js b/lib/verify/githubbin.js
index 1a9ddee2..9f5180c7 100644
--- a/lib/verify/githubbin.js
+++ b/lib/verify/githubbin.js
@@ -19,7 +19,7 @@ module.exports = async function () {
 
   // Check if username has been set on git-config
   try {
-    username = execGit('config user.username')
+    username = await execGit('config user.username')
 
     if (username === '') {
       addToVerifyList('verify~No username found.', false, result.verifyList)
diff --git a/lib/verify/its_a_small_world.js b/lib/verify/its_a_small_world.js
index 9e7c49f3..6c7ec596 100644
--- a/lib/verify/its_a_small_world.js
+++ b/lib/verify/its_a_small_world.js
@@ -9,7 +9,7 @@ module.exports = async function () {
 
   // Get stored username
   try {
-    username = execGit('config user.username')
+    username = await execGit('config user.username')
   } catch (err) {
     addToVerifyList('Error: ' + err.message, false, result.verifyList)
     return result
diff --git a/lib/verify/merge_tada.js b/lib/verify/merge_tada.js
index ab462664..fbcff6e8 100644
--- a/lib/verify/merge_tada.js
+++ b/lib/verify/merge_tada.js
@@ -4,7 +4,7 @@ const { addToVerifyList, checkChallengeComplete, execGit, getEmptyVerifyResult }
 // check that they performed a merge
 // check there is not username named branch
 
-module.exports = function (path) {
+module.exports = async function (path) {
   const result = getEmptyVerifyResult()
   let username = ''
 
@@ -16,7 +16,7 @@ module.exports = function (path) {
 
   // Get stored username
   try {
-    username = execGit('config user.username')
+    username = await execGit('config user.username')
   } catch (err) {
     addToVerifyList('Error: ' + err.message, false, result.verifyList)
     return result
@@ -24,7 +24,7 @@ module.exports = function (path) {
 
   // Search log for merge activity
   try {
-    const ref = execGit('reflog -10', { cwd: path })
+    const ref = await execGit('reflog -10', { cwd: path })
     if (ref.match('merge add-' + username)) {
       addToVerifyList('verify~Your branch has been merged!', true, result.verifyList)
     } else {
@@ -36,7 +36,7 @@ module.exports = function (path) {
 
   // Check if branch still exists
   try {
-    const branches = execGit('branch', { cwd: path })
+    const branches = await execGit('branch', { cwd: path })
     if (branches.match('add-' + username)) {
       addToVerifyList('verify~Uh oh, your branch is still there.', false, result.verifyList)
     } else {
diff --git a/lib/verify/pull_never_out_of_date.js b/lib/verify/pull_never_out_of_date.js
index b55aa7bc..e9915d02 100644
--- a/lib/verify/pull_never_out_of_date.js
+++ b/lib/verify/pull_never_out_of_date.js
@@ -3,11 +3,11 @@ const { addToVerifyList, checkChallengeComplete, execGit, getEmptyVerifyResult }
 // do a fetch dry run to see if there is anything
 // to pull; if there is they haven't pulled yet
 
-module.exports = function (path) {
+module.exports = async function (path) {
   const result = getEmptyVerifyResult()
 
   try {
-    const status = execGit('fetch --dry-run', { cwd: path })
+    const status = await execGit('fetch --dry-run', { cwd: path })
 
     if (status === '') {
       addToVerifyList('verify~Up to date!', true, result.verifyList)
diff --git a/lib/verify/remote_control.js b/lib/verify/remote_control.js
index 8cd60467..b9c05511 100644
--- a/lib/verify/remote_control.js
+++ b/lib/verify/remote_control.js
@@ -1,7 +1,7 @@
 const fs = require('fs')
 const { addToVerifyList, checkChallengeComplete, execGit, getEmptyVerifyResult } = require('./verify-helpers')
 
-module.exports = function (path) {
+module.exports = async function (path) {
   const result = getEmptyVerifyResult()
 
   // path should be a directory
@@ -12,7 +12,7 @@ module.exports = function (path) {
 
   // Checks for added remote
   try {
-    const remotes = execGit('remote -v', { cwd: path })
+    const remotes = await execGit('remote -v', { cwd: path })
 
     if (remotes.match('origin')) {
       addToVerifyList('verify~Found remote set up.', true, result.verifyList)
@@ -27,7 +27,7 @@ module.exports = function (path) {
 
   // check that they've made a push
   try {
-    const ref = execGit('reflog show origin/master', { cwd: path })
+    const ref = await execGit('reflog show origin/master', { cwd: path })
 
     if (ref.match('update by push')) {
       addToVerifyList('verify~You pushed changes!', true, result.verifyList)
diff --git a/lib/verify/repository.js b/lib/verify/repository.js
index afb6d796..c5762753 100644
--- a/lib/verify/repository.js
+++ b/lib/verify/repository.js
@@ -1,7 +1,7 @@
 const fs = require('fs')
 const { addToVerifyList, checkChallengeComplete, execGit, getEmptyVerifyResult } = require('./verify-helpers')
 
-module.exports = function (path) {
+module.exports = async function (path) {
   const result = getEmptyVerifyResult()
 
   // path should be a directory
@@ -11,7 +11,7 @@ module.exports = function (path) {
   }
 
   try {
-    const status = execGit('status', { cwd: path })
+    const status = await execGit('status', { cwd: path })
 
     if (status.match('On branch')) {
       addToVerifyList('verify~This is a Git repository!', true, result.verifyList)
diff --git a/lib/verify/requesting_you_pull_please.js b/lib/verify/requesting_you_pull_please.js
index 847a6e25..ef3264bf 100644
--- a/lib/verify/requesting_you_pull_please.js
+++ b/lib/verify/requesting_you_pull_please.js
@@ -12,7 +12,7 @@ module.exports = async function () {
 
   // Get stored username
   try {
-    username = execGit('config user.username')
+    username = await execGit('config user.username')
   } catch (err) {
     addToVerifyList('Error: ' + err.message, false, result.verifyList)
     return result
diff --git a/lib/verify/verify-helpers.js b/lib/verify/verify-helpers.js
index b2af8708..30167819 100644
--- a/lib/verify/verify-helpers.js
+++ b/lib/verify/verify-helpers.js
@@ -2,7 +2,9 @@
  * Helpers for challenge-specific verification-scripts
  */
 
-const execSync = require('child_process').execSync
+const { exec } = require('child_process')
+const { promisify } = require('util')
+const execPromise = promisify(exec)
 
 // Set each challenge verifying process to use
 // English language pack
@@ -33,14 +35,15 @@ function checkChallengeComplete (verifyList) {
 /*
  * Wrapper to the exec call used in each of the verify scripts.
  */
-function execGit (command, options = {}) {
+async function execGit (command, options = {}) {
   // Encoding utf8 for usable output
   Object.assign(options, {
     encoding: 'utf8'
   })
 
   // Use system-Git to execute command, trim output
-  return execSync('git  ' + command, options).trim()
+  const execResult = await execPromise('git  ' + command, options)
+  return execResult.stdout.trim()
 }
 
 /*
diff --git a/resources/content/partials/verify-button.hbs b/resources/content/partials/verify-button.hbs
index dd62fd4b..542216ae 100644
--- a/resources/content/partials/verify-button.hbs
+++ b/resources/content/partials/verify-button.hbs
@@ -1,8 +1,8 @@
 <div class="verify bold-blue solid-box">
     <button class="btn-white" id='btn-verify-challenge' i18n-data="verify~Verify!"></button>
-    <div id="verify-spinner" class="sk-double-bounce">
-        <div class="sk-child sk-double-bounce1"></div>
-        <div class="sk-child sk-double-bounce2"></div>
+    <div id="verify-spinner" class="sk-bounce">
+        <div class="sk-bounce-dot"></div>
+        <div class="sk-bounce-dot"></div>
     </div>
     <ul id="verify-list"></ul>
     <button class="btn-white" id="btn-clear-challenge" i18n-data="verify~Clear status"></button>
diff --git a/resources/content/partials/verify-directory-button.hbs b/resources/content/partials/verify-directory-button.hbs
index c36c6167..be273205 100644
--- a/resources/content/partials/verify-directory-button.hbs
+++ b/resources/content/partials/verify-directory-button.hbs
@@ -1,9 +1,9 @@
 <div class="verify bold-blue solid-box">
     <button class="btn-white" id='btn-select-directory' i18n-data="verify~Select directory"></button>
     <button class="btn-white" id='btn-verify-challenge' i18n-data="verify~Verify!"></button>
-    <div id="verify-spinner" class="sk-double-bounce">
-        <div class="sk-child sk-double-bounce1"></div>
-        <div class="sk-child sk-double-bounce2"></div>
+    <div id="verify-spinner" class="sk-bounce">
+        <div class="sk-bounce-dot"></div>
+        <div class="sk-bounce-dot"></div>
     </div>
     <span id='path-required-warning' i18n-data="verify~Please select your repository directory."></span>
     <div id='div-selected-dir'>
diff --git a/resources/layouts/challenge.hbs b/resources/layouts/challenge.hbs
index 645c464f..128d3b78 100644
--- a/resources/layouts/challenge.hbs
+++ b/resources/layouts/challenge.hbs
@@ -4,7 +4,7 @@
     <meta charset="utf-8">
     <title>Git-it</title>
     <meta name="currentChallenge" content="{{{ shortName }}}">
-    <link rel="stylesheet" href="../../assets/css/2-double-bounce.css">
+    <link rel="stylesheet" href="../../assets/css/sk-bounce.css">
     <link rel="stylesheet" href="../../assets/css/new-style.css">
     <link rel="stylesheet" href="../../assets/css/new-challenge.css">
     <link rel="stylesheet" href="../../assets/css/buttons.css">