UI structure (basic cards + css modules setup)

src/index.css

@@ -0,0 +1,13 @@
+html {
+  box-sizing: border-box;
+}
+
+html, body, #appRoot, #appRoot > * {
+  margin: 0;
+  height: 100%;
+}
+
+h1, h2, h3, h4, h5, h6, p, blockquote, figure, dl, ol, ul {
+  margin: 0;
+  padding: 0;
+}