Fix Issue: Skills logo misaligned #753 (#769)

assets/styles/sections/skills.scss

@@ -20,6 +20,7 @@
   
   .card .card-img-xs {
     margin-right: 0.5rem;
+    margin-bottom: 0.75rem;
   }
   
   .card {
@@ -83,4 +84,4 @@
   /* iPhone 5 or before */
   @media only screen and (max-width: 320px) {
   }  
-}
+}