Reformat main css + disable default styling on link/a tags

src/index.css

@@ -2,16 +2,13 @@ html {
   box-sizing: border-box;
 }
 
-*,
-*:before,
-*:after {
+*, *:before, *:after {
   box-sizing: inherit;
 }
 
-html,body{
+html, body {
   margin: 0;
   padding: 0;
-
   width: 100%;
   height: 100%;
 }
@@ -20,7 +17,12 @@ body {
   font-family: sans-serif;
 }
 
-#root{
+#root {
   width: 100%;
   height: 100%;
+}
+
+a {
+  color: inherit;
+  text-decoration: none;
 }