resources https://www.codecademy.com/learn/web https://learnxinyminutes.com/docs/css/ http://learn.shayhowe.com/html-css/building-your-first-web-page/ http://www.impressivewebs.com/css-terms-definitions/ http://learn.shayhowe.com/advanced-html-css/complex-selectors/ http://flexbox.io/ http://learn.shayhowe.com/advanced-html-css/detailed-css-positioning/ http://www.smashingmagazine.com/2007/07/27/css-specificity-things-you-should-know/ https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Box_Model/Introduction_to_the_CSS_box_model http://learn.shayhowe.com/html-css/opening-the-box-model/ http://cssreference.io/ CSS is Cascading Style Sheets, the standard way of styling web pages.