权限管理页面优化

src/views/system/permission.vue

@@ -6,7 +6,7 @@
 
     <el-row :gutter="20">
       <el-col :span="8">
-        <el-card style="height:calc(100vh - 90px)">
+        <el-card style="height:calc(100vh - 115px)">
           <div class="head-container">
             <el-button size="mini" type="primary" @click="handleAdd">新增</el-button>
 
@@ -58,7 +58,7 @@
       </el-col>
 
       <el-col :span="8">
-        <el-card style="height:calc(100vh - 90px)">
+        <el-card style="height:calc(100vh - 115px)">
           <div class="head-container">
             <div style="font-size: 18px">菜单权限</div>
             <el-button size="mini" type="primary" @click="saveRoleMenus">保存</el-button>
@@ -82,7 +82,7 @@
       </el-col>
 
       <el-col :span="8">
-        <el-card style="height:calc(100vh - 90px)">
+        <el-card style="height:calc(100vh - 115px)">
           <div class="head-container">
             <el-input
               v-model="userName"