add basic css formatting

Author: edinakurdi

fetch/programmer-humour/style.css

@@ -0,0 +1,15 @@
+body {
+    background-color: #e0f5f5;
+    font-family: sans-serif;
+    text-align: center;
+    padding: 2rem;
+}
+
+h1 {
+    color: #1a6b6b;
+    font-size: 3rem;
+}
+
+/* img {
+    margin: 0 auto;
+} */