diff --git a/Markdown/TheOdinProjectNotes.md b/Markdown/TheOdinProjectNotes.md
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@@ -830,4 +830,9 @@ p {
 - Inline block elements behave like inline elements, but with block-style padding and margin
   - Can be useful, but nowadays people use **flexbox** more often
 #### Divs and Spans
-- Block-level element, separates parts of the page for organization purposes.
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+- Block-level element, separates parts of the page for organization purposes.
+- This is also known as a "container" element
+- `Span` is an inline-level element by default, but it can be used to group text content and inline HTML elements for styling and should only be used when no other semantic HTML element is appropriate.
+#### Ending exercises
+- W3 schools [block-level elements in HTML with descriptions](https://www.w3schools.com/html/html_blocks.asp)
+- 
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diff --git a/margin-and-padding/css-exercises b/margin-and-padding/css-exercises
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@@ -0,0 +1 @@
+Subproject commit 07e096da6ca4a659dc8ac1b5c6e67bf27b4cb139