Merge pull request #2 from oka4shi/fix/add-css

CSSファイルを追加

Author: oka4shi

app/src/style.css

@@ -0,0 +1,21 @@
+progress {
+    height: 1rem;
+    width: min(100%, 30rem);
+
+    appearance: none;
+    -webkit-appearance: none;
+    box-shadow: none;
+    border-radius: 0.5rem;
+}
+
+progress,
+progress::-webkit-progress-bar {
+    background-color: #eee;
+    border-radius: 0.5rem;
+}
+
+progress::-webkit-progress-value,
+progress::-moz-progress-bar {
+    background-color: rgb(0, 160, 0);
+    border-radius: 0.5rem;
+}