Merge branch 'fix-109' of https://git.nianxx.cn/zoujing/YGChatCS

src/static/scss/background.scss

@@ -7,6 +7,10 @@
   background-color: #f5f5f5;
 }
 
+.bg-F7F7F7 {
+  background-color: #f7f7f7;
+}
+
 .bg-17294E {
   background-color: #17294e;
 }

src/static/scss/padding.scss

@@ -1,4 +1,12 @@
 // 内边距
+.pt-4 {
+  padding-top: 4px;
+}
+
+.pb-4 {
+  padding-bottom: 4px;
+}
+
 .p-6 {
   padding: 6px;
 }