Started working on the layout of the app

public/css/kourend.css

@@ -0,0 +1,65 @@
+html,
+body{
+  width: 100%;
+  height: 100%;
+  margin: 0;
+  padding: 0;
+}
+
+body{
+  padding-top: 80px;
+  padding-bottom: 80px;
+  background: #eee;
+}
+
+#navbar{
+  box-sizing: border-box;
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 64px;
+  padding-left: 10px;
+  background: purple;
+  color: white;
+  z-index: 10;
+}
+
+#navbar ul{
+  list-style: none;
+}
+#navbar ul li{
+  display: inline-block;
+}
+
+#navbar h4,
+#navbar a{
+  margin-left: 15px;
+  line-height: 64px;
+}
+
+#navbar a{
+  color: white;
+  font-size: 24px;
+  text-decoration: none;
+}
+
+#main-content{
+  max-width: 1024px;
+  padding: 14px 20px;
+  background: white;
+  border-radius: 8px;
+}
+
+#main-footer{
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  height: 64px;
+}
+
+#main-footer p{
+  line-height: 64px;
+  text-align: center;
+}