Please let me know if there is a better place to report this type of thing. The first error may confuse some people. The second just seems to be broken when validating.
CSS Grid: Use grid-row to Control Spacing
Should require grid-column instead of grid-row for the property.
Make the element with the item5 class consume the last two rows.
Grid-row makes it take up a height of two rows instead of the width of 2 columns.
Applied Visual Design: Create a Horizontal Line Using the hr Element
Add an hr tag underneath the h4 which contains the card title.
In HTML, hr is a self-closing tag, and therefore doesn’t need a separate closing tag.
Adding <hr> in the below doesn’t pass the test. Next exercise has the <hr> tag right where I put it.
<h4><s>Google</s>Alphabet</h4> <hr> <p><em>Google was founded by Larry Page and Sergey Brin while they were <u>Ph.D. students</u> at <strong>Stanford University</strong>.</em></p>