Update style.css

static/style.css

 body { padding-top: auto; }
 .left-aligned { margin-left: auto; }
 .bg-dark { background-color: #343a40 !important; }
-.bg-hero { background-color: #45b06cff; }
+.bg-hero { background-color: #45b06c; }
 
 /* CALLOUT */
 .bd-callout { padding:1.25rem; margin-top:1.25rem; margin-bottom:1.25rem; border:1px solid #e9ecef; border-left-width:.25rem; border-radius:.25rem }
@@ -61,7 +61,7 @@ img {
 }
 
 #medalBox {
-  background-color: rgb(0, 0, 0, 0.2);
+  background-color: rgb(0, 0, 0, 0.1);
   color: white;
   width: 80%;
   height: auto;
@@ -69,7 +69,7 @@ img {
 }
 
 #medalBox button {
-  background-color: rgba(0,0,0,0.1);
+  background-color: rgba(0,0,0,0.2);
   color: white;
   width: 80%;
   height: auto;