feat: Avancement général sur le contenu et le design

fixes #3, fixes #4, fixes #5, fixes #7, fixes #8, fixes #9, fixes #10

assets/styles/reset.css

@@ -8,6 +8,12 @@ Reset CSS
   box-sizing: border-box;
 }
 
+html {
+  /*-webkit-font-smoothing: antialiased*/
+  /*--moz-osx-font-smoothing: grayscale*/
+  scroll-behavior: smooth;
+}
+
 /* Remove default margin */
 body,
 h1,
@@ -33,11 +39,6 @@ img {
   display: block;
 }
 
-/* Natural flow and rhythm in articles by default */
-article > * + * {
-  margin-top: 1em;
-}
-
 /* Inherit fonts for inputs and buttons */
 input,
 button,