feat: 样式调整

src/static/scss/padding.scss

@@ -22,3 +22,19 @@
 .pl-12 {
   padding-left: 12px;
 }
+
+.pl-16 {
+  padding-left: 16px;
+}
+
+.pr-16 {
+  padding-right: 16px;
+}
+
+.pl-20 {
+  padding-left: 20px;
+}
+
+.pr-20 {
+  padding-right: 20px;
+}