diff --git a/src/assets/styles/portal.scss b/src/assets/styles/portal.scss
index 4050cca0..f3e0bd96 100644
--- a/src/assets/styles/portal.scss
+++ b/src/assets/styles/portal.scss
@@ -329,8 +329,8 @@ body {margin: 0px;padding: 0px;}
     padding:20px;
     margin-right: 20px;
     .course-image-box {
-      width: 100%;
-      height: 114px;
+      width:218;
+      height: 122px;
     }
   }
 }
@@ -358,8 +358,8 @@ body {margin: 0px;padding: 0px;}
     padding:25px;
     margin-right: 25px;
     .course-image-box {
-      width: 285px;
-      height: 160px;
+      width: 278px;
+      height: 156px;
     }
   }
 }
@@ -387,8 +387,8 @@ body {margin: 0px;padding: 0px;}
     padding:25px;
     margin-right: 25px;
     .course-image-box {
-      width: 100%;
-      height: 180px;
+      width: 346px;
+      height: 192px;
     }
   }
 }