style:培训计划表格样式修改

src/modules/plan-manage/components/PlanList.less

@@ -4,27 +4,23 @@
     text-align: right;
     margin-right: 45px;
   }
-  .ant-table-thead .ant-table-cell {
-    padding: 10px 12px !important;
-  }
-  .ant-table-tbody {
-    tr {
-      td {
-        &.ant-table-cell {
-          padding: 20px 12px !important;
-          color: #333;
+
+  .plan-list-table {
+    thead.ant-table-thead {
+      tr {
+        th {
+          padding: 10px 12px;
         }
       }
     }
-  }
-
-  .plan-list-table {
     tbody {
       tr {
         &:nth-child(even) {
           background: transparent !important;
           td {
             background: #fff !important;
+            padding: 20px 12px;
+            color: #333;
           }
         }
         &:nth-child(odd) {