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CSS CSS Foundations Advanced Selectors Pseudo-Classes: :nth-of-type and :only-of-type

Keep getting an extra box styled at the end after fresh download of course materials, CSS + HTML files.

Keep getting a weird extra box after paragraphs. No "box #" text label.

Using unmodified downloaded materials provided in workspaces, on Chrome.

style.css (default from downloads section.)

body { color: #222; font: normal 1.2em/1.5 Sans-Serif; margin: 40px auto 0; width: 78%; } div { background-color: #919090; color: white; float: left; width: 165px; height: 165px; margin: 50px 40px 40px 0; padding: 20px; } p { clear: both; }

/* Structural Pseudo-classes. Keep up the good work! :) */

index.html file: no changes made