diff --git a/css/stylesheet.css b/css/stylesheet.css
index f904c914b06f07c0f2078cadb692f84ea023036c..84fd54894764ff2eb1da5f8348054bb5340dcf06 100644
--- a/css/stylesheet.css
+++ b/css/stylesheet.css
@@ -484,4 +484,19 @@ input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
-webkit-appearance: none;
margin: 0;
-}
\ No newline at end of file
+}
+
+.complexity {
+ margin: 10px 0px;
+}
+.complexity-type {
+ font-weight: bold;
+}
+
+.buttons button.active {
+ font-weight: bold;
+}
+
+.buttons button.active .fa {
+ color: #00e676;
+}
diff --git a/index.html b/index.html
index 1f87469bd536a180cc819ced3249f41cf29936a0..2c55645c05389fbf6e7efb57ed9ac7be9d13bbf7 100644
--- a/index.html
+++ b/index.html
@@ -38,11 +38,11 @@