Add .editorconfig for consistent formatting and apply it

.editorconfig

@@ -0,0 +1,19 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+charset = utf-8
+
+[*.html]
+indent_size = 2
+trim_trailing_whitespace = true
+
+[*.css]
+indent_size = 2
+trim_trailing_whitespace = true
+
+[*.md]
+indent_size = 2
+trim_trailing_whitespace = false

assets/css/style.css

@@ -25,4 +25,4 @@ img {
 
 p.bigger {
   font-size: 1.2rem;
-}
+}

index.html

@@ -37,4 +37,4 @@
       </p>
     </footer>
   </body>
-</html>
+</html>