Fix blog post layout
Fix blog post layout

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MOS_MIGRATED_REVID=124556005

bazelbuild/bazel-blog,laszlocsomor/bazel-blog,laszlocsomor/bazel-blog,bazelbuild/bazel-blog,laszlocsomor/bazel-blog,laszlocsomor/bazel-blog,davidzchen/bazel-blog,davidzchen/bazel-blog,davidzchen/bazel-blog,davidzchen/bazel-blog,bazelbuild/bazel-blog