There are a couple steps you could take to refactor this.
Your span with the "header-1" class is unnecessary. You could just apply that class to the p tag.
Since the <b> tag doesn't have semantic meaning, you could just use the font-weight attribute in CSS.
You also may want to check your breakpoints for switching from the column, to the 2D grid. Your project jumps a bit early and the image is coming down further than the card.
Because you're manually setting the width and height (and changing the width in your media query), the images can distort as you scale the page.