remove useless margin

src/routes/Dashboard/Workplace.js

@@ -171,9 +171,9 @@ export default class Workplace extends PureComponent {
               }
             </Card>
             <Card
-              style={{ marginBottom: 24 }}
               bodyStyle={{ padding: 0 }}
               bordered={false}
+              className={styles.activeCard}
               title="动态"
               loading={activitiesLoading}
             >

src/routes/Dashboard/Workplace.less

@@ -141,6 +141,9 @@
 }
 
 @media screen and (max-width: @screen-xl)  and (min-width: @screen-lg) {
+  .activeCard {
+    margin-bottom: 24px;
+  }
   .members {
     margin-bottom: 0;
   }
@@ -153,6 +156,9 @@
 }
 
 @media screen and (max-width: @screen-lg) {
+  .activeCard {
+    margin-bottom: 24px;
+  }
   .members {
     margin-bottom: 0;
   }