Initialized frontend

frontend/public/style/global.css

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+* {
+  box-sizing: border-box;
+  margin: 0;
+}
+
+:root {
+  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
+  font-size: 1rem;
+  --user-font-scale: 1rem - 16px;
+  font-size: clamp(0.875rem, 0.4626rem + 1.0309vw + var(--user-font-scale), 1.125rem);
+}
+
+body {
+  padding: 4rem 2rem;
+  width: 100%;
+  min-height: 100vh;
+  display: grid;
+  justify-content: center;
+  background: #f9fafb;
+  color: #111827;
+}
+
+@media (prefers-color-scheme: dark) {
+  body {
+    background: #111827;
+    color: #fff;
+  }
+}

frontend/public/style/home.css

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+:root {
+  --font-mono: Consolas, 'Andale Mono WT', 'Andale Mono', 'Lucida Console', 'Lucida Sans Typewriter', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Liberation Mono',
+    'Nimbus Mono L', Monaco, 'Courier New', Courier, monospace;
+  --color-light: #f3f4f6;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --color-light: #1f2937;
+  }
+}
+
+a {
+  color: inherit;
+}
+
+header > div {
+  font-size: clamp(2rem, -0.4742rem + 6.1856vw, 2.75rem);
+}
+
+header > div {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+header h1 {
+  font-size: 1em;
+  font-weight: 500;
+}
+header img {
+  width: 2em;
+  height: 2.667em;
+}
+
+h2 {
+  font-weight: 500;
+  font-size: clamp(1.5rem, 1rem + 1.25vw, 2rem);
+}
+
+.counter {
+  display: grid;
+  grid-auto-flow: column;
+  gap: 1em;
+  font-size: 2rem;
+  justify-content: center;
+  padding: 2rem 1rem;
+}
+
+.counter > pre {
+  text-align: center;
+  min-width: 3ch;
+}