Below is an example of: flex-direction: row;
Below is an example of: flex-direction: row-reverse;
Below is an example of: flex-direction: column;
Below is an example of: flex-direction: column-reverse;
Below is an example of: flex-direction: row;flex-wrap: wrap-reverse;
https://www.w3schools.com/css/css_specificity.asp
https://www.w3schools.com/css/css3_flexbox_items.asp
https://www.w3schools.com/css/css3_flexbox_responsive.asp