Add project files.

shotreact/wwwroot/css/site.css

@@ -0,0 +1,54 @@
+:root {
+    /* Dark theme */
+    --dark-background: #fafafa;
+    --dark-foregeound: #666666;
+    /* Light theme */
+    --light-background: #fafafa;
+    --light-foregeound: #666666;
+    /* Defaults */
+    --current-background: var(--light-background);
+    --current-foreground: var(--light-foregeound);
+}
+
+@media (prefers-color-scheme: dark) {
+    :root {
+        --current-background: var(--dark-background);
+        --current-foreground: var(--dark-foregeound);
+    }
+}
+
+body {
+    background-color: var(--current-background);
+    color: var(--current-foreground);
+}
+
+.navbar-brand {
+    padding-top: 0rem;
+}
+
+html {
+  font-size: 14px;
+}
+
+.bg-grey {
+    background-color: #222;
+}
+
+@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;
+}