Add project files.

rusnova/wwwroot/css/site.css

@@ -0,0 +1,41 @@
+html {
+  font-size: 14px;
+}
+
+header {
+    border-bottom: 5px solid #dc0018;
+}
+
+@media (min-width: 768px) {
+    html {
+    font-size: 16px;
+  }
+}
+
+.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
+  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
+}
+
+html {
+  position: relative;
+  min-height: 100%;
+}
+
+body {
+    margin-bottom: 60px;
+    position: relative;
+    background-color: #f5f5f5;
+    
+}
+
+main {
+    background-color: #fff;
+}
+
+container {
+    background: url(../img/bg-striped.png) repeat;
+}
+
+footer {
+    border-top: 1px solid #ccc;
+}