Initial React badminton team matching app

src/index.css

@@ -0,0 +1,50 @@
+:root {
+  font-family:
+    'Segoe UI', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+  color: #21402e;
+  background:
+    radial-gradient(circle at top left, rgba(245, 169, 62, 0.3), transparent 24%),
+    radial-gradient(circle at top right, rgba(29, 123, 77, 0.18), transparent 28%),
+    linear-gradient(150deg, #f4efe5 0%, #fbf8f2 48%, #edf7f0 100%);
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+* {
+  box-sizing: border-box;
+}
+
+html {
+  scroll-behavior: smooth;
+}
+
+body {
+  margin: 0;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+body,
+button,
+textarea {
+  font: inherit;
+}
+
+button,
+textarea {
+  font-family: inherit;
+}
+
+#root {
+  min-height: 100vh;
+}
+
+h1,
+h2,
+p {
+  margin-block-start: 0;
+}