Set border-radius to all of img tags

Author: yasulab

app/assets/stylesheets/custom.scss

@@ -105,11 +105,6 @@
 
 .kata{
   position: relative;
-  img {
-    width: 100%;
-    height: auto;
-    border-radius: 10px;
-  }
   a.button {
     position: absolute;
     top: 40%;
@@ -141,8 +136,10 @@ div #README{
   margin-top: -75px;
 }
 
-img{
-  width:100%;
+img {
+  width: 100%;
+  height: auto;
+  border-radius: 10px;
 }
 a > img {
   width: 100%;