Simplified writing of the tab styles

src/main.rs

@@ -593,6 +593,62 @@ impl<'a> RequestData<'a> {
     }
 }
 
+static GENERAL_TAB_STYLE: &str = r"
+.tab-system {
+    margin: 20px;
+}
+
+.tab-radio {
+    display: none;
+}
+
+.tab-nav {
+    display: flex;
+    gap: 5px;
+    margin-bottom: -1px;
+}
+
+.tab-button {
+    padding: 8px 15px;
+    background: #f0f0f0;
+    border: 1px solid #ddd;
+    border-bottom: 1px solid transparent;
+    cursor: pointer;
+    border-radius: 4px 4px 0 0;
+    position: relative;
+}
+
+.tab-button:hover {
+    background: #e0e0e0;
+}
+
+.tab-radio:checked + .tab-button {
+    background: white;
+    border-color: #ddd;
+    border-bottom-color: white;
+    z-index: 1;
+}
+
+.tab-content {
+    display: none;
+    padding: 15px;
+    border: 1px solid #ddd;
+}";
+
+fn write_tab_styles(stream: &mut TcpStream, count: usize) {
+    let _ = writeln!(stream, "<style>");
+    let _ = write!(stream, "{GENERAL_TAB_STYLE}");
+
+    for i in 1..count {
+        let _ = write!(stream, "#tab-{i}:checked ~ #content-{i},");
+    }
+    let _ = writeln!(
+        stream,
+        "#tab-{count}:checked ~ #content-{count} {{ display: block; }}"
+    );
+    let _ = writeln!(stream, "</style>");
+}
+
 fn handle_relative_connection(
     info: Arc<SharedSiteInfo>,
     mut stream: TcpStream,
@@ -820,60 +876,7 @@ fn handle_relative_connection(
 
     let count = sections.len();
 
-    let _ = write!(stream, "<style>");
+    write_tab_styles(&mut stream, count);
-
-    let general_style = r"
-  .tab-system {
-    margin: 20px;
-  }
-
-  .tab-radio {
-    display: none;
-  }
-
-  .tab-nav {
-    display: flex;
-    gap: 5px;
-    margin-bottom: -1px;
-  }
-
-  .tab-button {
-    padding: 8px 15px;
-    background: #f0f0f0;
-    border: 1px solid #ddd;
-    border-bottom: 1px solid transparent;
-    cursor: pointer;
-    border-radius: 4px 4px 0 0;
-    position: relative;
-  }
-
-  .tab-button:hover {
-    background: #e0e0e0;
-  }
-
-  .tab-radio:checked + .tab-button {
-    background: white;
-    border-color: #ddd;
-    border-bottom-color: white;
-    z-index: 1;
-  }
-
-  .tab-content {
-    display: none;
-    padding: 15px;
-    border: 1px solid #ddd;
-  }";
-
-    let _ = write!(stream, "{general_style}");
-    for i in 1..count {
-        let _ = write!(stream, "#tab-{i}:checked ~ #content-{i},");
-    }
-    let _ = write!(
-        stream,
-        "#tab-{count}:checked ~ #content-{count} {{ display: block; }}"
-    );
-
-    let _ = write!(stream, "</style>");
 
     let _ = write!(stream, r#"<div class="tab-system">"#);