diff --git a/data/weather.py b/data/weather.py
index fc25c76..79a3ff1 100644
--- a/data/weather.py
+++ b/data/weather.py
@@ -39,26 +39,13 @@ def get_precipitation_summary(retry=True):
         total_rainfall = 0.0
 
         lines = [
-            '<style>',
-            '.weatherinfo table {',
-            '  border-collapse: collapse;',
-            '  border-spacing: 0;',
-            '  display: inline-table;',
-            '}',
-            '.weatherinfo td, .weatherinfo th {',
-            '  padding: 0;',
-            '  border: 1px solid #333;',
-            '}',
-            '.weatherinfo h3 {',
-            '  font-size: 2em;',
-            '  text-align: center;',
-            '  margin: 20px 0;',
-            '}',
-            '</style>',
-            '<div class="weatherinfo">',
-            '<h3>[시간대별 강수량]</h3>',
-            '<table>',
-            '<tr><th>시간</th><th>강수량</th></tr>'
+            '<div class="weatherinfo" style="text-align:center;">',
+            '<h3 style="font-size: 2em; margin: 20px 0;">[시간대별 강수량]</h3>',
+            '<table style="border-collapse: collapse; border-spacing: 0; display: inline-table; margin: 0 auto;">',
+            '<tr>',
+            '<th style="padding: 0; border: 1px solid #333;">시간</th>',
+            '<th style="padding: 0; border: 1px solid #333;">강수량</th>',
+            '</tr>'
         ]
 
         for item in data['response']['body']['items']['item']:
@@ -67,7 +54,7 @@ def get_precipitation_summary(retry=True):
                 if 900 < int(time) < 2300:
                     mm = parse_precip(item['fcstValue'])
                     time_str = f"{time[:2]}:{time[2:]}"  # '11:00'
-                    lines.append(f'<tr><td>{time_str}</td><td>{mm}mm</td></tr>')
+                    lines.append(f'<tr><td style="padding: 0; border: 1px solid #333;">{time_str}</td><td style="padding: 0; border: 1px solid #333;">{mm}mm</td></tr>')
                     total_rainfall += mm
 
         lines.append('</table></div>')