diff --git a/app/assets/stylesheets/application.css.scss b/app/assets/stylesheets/application.css.scss
index 921ab7d..199e94b 100644
--- a/app/assets/stylesheets/application.css.scss
+++ b/app/assets/stylesheets/application.css.scss
@@ -38,7 +38,7 @@ body {
   width: 100%;
   /* Set the fixed height of the footer here */
   height: 40px;
-  background-color: #f5f5f5;
+  background-color: $navbar-default-bg;
 }
 
 .container .text-muted {
@@ -47,102 +47,29 @@ body {
 
 /* Custom css for fixing styles within problem content */
 
-.problem-content blockquote {
-  margin: 0px;
-  font-size: 14px;
-  border-left: medium none;
-}
+.problem-content {
+  blockquote {
+    margin: 0px;
+    font-size: 14px;
+    border-left: medium none;
+  }
 
-.problem-content div {
-  margin: 0px 0px 10px;
-}
+  div {
+    margin: 0px 0px 10px;
+  }
 
-.problem-content table {
-  border-collapse: separate;
-  border-spacing: 2px;
-}
+  table {
+    border-collapse: separate;
+    border-spacing: 2px;
+  }
 
-.problem-content td {
-  padding: 1px;
-}
+  td {
+    padding: 1px;
+  }
 
-/* Side notes for calling out things
--------------------------------------------------- */
-
-/* Base styles (regardless of theme) */
-.bs-callout, .problem-content > .info:first-child, .problem-content > .info:last-child{
-  margin: 20px 0;
-  padding: 15px 30px 15px 15px;
-  border-left: 5px solid #eee;
+  > .info, > .note {
+    @extend .alert;
+    @extend .alert-info;
+    margin-bottom: 0px;
+  }
 }
-.bs-callout h1,
-.bs-callout h2,
-.bs-callout h3,
-.bs-callout h4,
-.bs-callout h5,
-.bs-callout h6 {
-  margin-top: 0;
-}
-
-.bs-callout-danger h1,
-.bs-callout-danger h2,
-.bs-callout-danger h3,
-.bs-callout-danger h4,
-.bs-callout-danger h5,
-.bs-callout-danger h6 {
-  color: #B94A48;
-}
-
-.bs-callout-warning h1,
-.bs-callout-warning h2,
-.bs-callout-warning h3,
-.bs-callout-warning h4,
-.bs-callout-warning h5,
-.bs-callout-warning h6 {
-  color: #C09853;
-}
-
-.bs-callout-info h1,
-.bs-callout-info h2,
-.bs-callout-info h3,
-.bs-callout-info h4,
-.bs-callout-info h5,
-.bs-callout-info h6 {
-  color: #3A87AD;
-}
-
-.bs-callout-success h1,
-.bs-callout-success h2,
-.bs-callout-success h3,
-.bs-callout-success h4,
-.bs-callout-success h5,
-.bs-callout-success h6 {
-  color: #3C763D;
-}
-
-.bs-callout p:last-child {
-  margin-bottom: 0;
-}
-
-.bs-callout code,
-.bs-callout .highlight {
-  background-color: #fff;
-}
-
-/* Themes for different contexts */
-.bs-callout-danger {
-  background-color: #fcf2f2;
-  border-color: #dFb5b4;
-}
-.bs-callout-warning {
-  background-color: #fefbed;
-  border-color: #f1e7bc;
-}
-.bs-callout-info, .problem-content > .info:first-child, .problem-content > .info:last-child {
-  background-color: #f0f7fd;
-  border-color: #d0e3f0;
-}
-.bs-callout-success {
-  background-color: #dff0d8;
-  border-color: #d6e9c6;
-}
\ No newline at end of file