Reply to this node. Look immediately above the text box. It describes two kinds of tags, paragraph and code. Use the preview button below to experiment with their effects. Repeat until it looks right, then click on the create button. You can edit previously created posts, but there is no preview mode, you must have to keep re-submitting. You'll get it eventually, and you will find well formatted posts get quicker answers.
But God demonstrates His own love toward us, in that while we were yet sinners, Christ died for us. Romans 5:8 (NASB)