Add sidebar for displaying selected cell

styles/Map.module.css

@@ -3,4 +3,14 @@
   top: 0;
   bottom: 0;
   width: 100%;
+  z-index: 2;
+}
+
+.map-wrapper {
+  position: relative;
+  height: 100%;
+}
+
+.map-wrapper-sidebar-open {
+  margin-left: 300px;
 }

styles/Sidebar.module.css

@@ -0,0 +1,27 @@
+.sidebar {
+  position: fixed;
+  top: 0;
+  left: 0;
+  z-index: 1;
+  height: 100%;
+  background-color: #f5f5f5;
+  overflow-x: hidden;
+  width: 300px;
+  padding: 12px;
+  border-right: 1px solid #222222;
+}
+
+.close {
+  position: absolute;
+  top: 4px;
+  right: 8px;
+  font-size: 24px;
+  margin-left: 12px;
+  border: none;
+  background: none;
+  cursor: pointer;
+}
+
+.close:hover {
+  color: #888888;
+}

styles/globals.css

@@ -1,9 +1,12 @@
 html,
-body {
+body,
+div#__next {
   padding: 0;
   margin: 0;
   font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
     Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
+  width: 100%;
+  height: 100%;
 }
 
 a {