/* Hide author info on all blog posts */
.WaGadgetBlog .postedBy,
.WaGadgetBlog .author,
.WaGadgetRecentBlogPosts .author {
    display: none !important;
}

/* Hide author info on ALL blog posts and blog gadgets */
.WaGadgetBlog .postedBy,
.WaGadgetBlog .author,
.WaGadgetRecentBlogPosts .author,
.WaGadgetRecentBlogPosts .postedBy {
    display: none !important;
}