提取公共的card样式

src/views/ems/home/XtxlChart.vue

@@ -1,35 +1,14 @@
 
 <template>
-  <el-card shadow="always" class="chart-card-container">
+  <el-card shadow="always" class="common-card-container common-card-container-body-no-padding">
     <div slot="header">
-      <span class="chart-title">系统效率</span>
+      <span class="card-title">系统效率</span>
     </div>
     <div style="height: 360px" id="xtxlChart"/>
   </el-card>
 </template>
 
-<style scoped lang="scss">
-.chart-card-container{
-  ::v-deep {
-    .el-card__header{
-      padding:14px;
-      border-bottom: none;
-      font-size: 12px;
-      background: #F1F5FB ;
-      .chart-title{
-        font-weight: 500;
-        color:#333333;
-      }
-      .el-button--text{
-        color: #666666;
-      }
-    }
-    .el-card__body{
-      padding:0;
-    }
-  }
-}
-</style>
+<style scoped lang="scss"></style>
 <script>
 import * as echarts from 'echarts'
 require('echarts/theme/macarons') // echarts theme