[O] Use class to add style to card

src/pages/overall/overall.scss

@@ -12,6 +12,12 @@
     flex-direction: column;
 }
 
+.gpa-card
+{
+    margin-left: 20px;
+    min-width: 136px;
+}
+
 .gpa
 {
     display: block;

src/pages/overall/overall.vue

@@ -2,7 +2,7 @@
     <div id="overall">
         <el-row>
             <el-col :span="4">
-                <el-card style="margin-left: 20px">
+                <el-card class="gpa-card">
                     <div style="padding: 14px;">
                         <span class="gpa header">GPA:</span>
                         <span class="gpa text">{{getGPA().gpa}}</span>