Merge pull request #21217 from Arhell/add-responsive-table

add responsive table on blog

Author: k8s-ci-robot

assets/sass/_base.sass

@@ -139,6 +139,9 @@ header
     border-spacing: 0
     margin-top: 30px
     margin-bottom: 30px
+    @media screen and (max-width: 425px)
+      display: block
+      overflow-x: auto
 
     thead
       border-bottom: 2px solid #ccc