compress catgirl and modify css

src/templates/css/style.css

@@ -1,8 +1,8 @@
-body {
+body { 
-    margin: 0;
+    background-color: #231f20;
-    padding: 0;
+    color: #f9f9f9;
-    color: white;
+    font-family: monospace;
-    background-color: black;
+    font-size: 14px;
 }
 
 h1, h2, h3, h4, h5, h6 {
@@ -81,7 +81,7 @@ form {
 }
 
 .tab label {
-    background: black;
+    background: #231f20;
     padding: 10px;
     border: 1px solid #ccc;
     margin-left: -1px;
@@ -97,7 +97,7 @@ form {
     position: absolute;
     top: 28px;
     left: 0;
-    background: black;
+    background: #231f20;
     right: 0;
     bottom: 0;
     padding: 20px;
@@ -132,7 +132,7 @@ label#show-decoded-inputs {
     display: inline-block;
     /*margin: 60px 0 10px 0;*/
     cursor: pointer;
-    background-color: black;;
+    background-color: #231f20;
     color: white;
     width: 100%;
     text-align: center;