[+] Add 'main' css class to avoid conflict

src/pages/overall/overall-course/overall-course.scss

@@ -12,7 +12,7 @@
     white-space: nowrap;
 
     // Content
-    .course-card-content
+    .course-card-content.main
     {
         height: 90px;
 

src/pages/overall/overall-course/overall-course.vue

@@ -1,7 +1,7 @@
 <template>
     <div id="overall-course">
         <el-card class="course-card">
-            <div class="course-card-content">
+            <div class="course-card-content main">
                 <el-row>
                     <el-col :span="6" class="course-col-name">
                         <div class="course-name">