Dashboard course cards don't render well in theme classic

Note: Please test this using "Classic" theme only Prerequisites:  Several existing courses (at least 4). Same Student enrolled in each existing course. Test 1 (blocks enabled in left and right column) Log in as Student. Go to Dashboard. Resize the browser window to the following widths: 1300px -  make sure you can see 3 course cards per row in the course overview block 1000px -   make sure you can see 2 course cards per row in the course overview block 800px -   make sure you can see 1 course card per row in the course overview block 600px -   make sure you can see 2 course cards per row in the course overview block 300px -  make sure you can see 1 course cards per row in the course overview block ** Test 2 (all blocks disabled in one of the columns) Log in as Student. Go to Dashboard. Click on the 'Customise this page' button Disable/hide every block in the left column. Click on the 'Stop customising this page' button Resize the browser window to the following widths: 1300px -  make sure you can see 3 course cards per row in the course overview block 1000px -   make sure you can see 2 course cards per row in the course overview block 800px -   make sure you can see 1 course card per row in the course overview block 600px -   make sure you can see 2 course cards per row in the course overview block 300px -  make sure you can see 1 course cards per row in the course overview block Test 3 (all blocks disabled in both columns) Log in as Student. Go to Dashboard. Click on the 'Customise this page' button Disable/hide every block in the left and right column. Click on the 'Stop customising this page' button Resize the browser window to the following widths: 1300px -  make sure you can see 4 course cards per row in the course overview block 1000px -   make sure you can see 3 course cards per row in the course overview block 800px -   make sure you can see 2 course card per row in the course overview block 600px -   make sure you can see 2 course cards per row in the course overview block 300px -  make sure you can see 1 course cards per row in the course overview block