add: global styles

Author: rebecatschiedel

styles/globals.css

@@ -0,0 +1,11 @@
+html,
+body {
+  padding: 0;
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
+    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
+}
+
+* {
+  box-sizing: border-box;
+}