To allow simplifying our styles and preparing to work with the cascade, we've only added one CSS class - input - which is placed directly on the text input and textarea. I found this highly confusing as. Mozilla Firefox 19+ is using a pseudo-element: ::-moz-placeholder, but the old selector will still work for a while. required: Requires that the textarea contain content prior to allowing form submission. Usually, when you enter the grammatically incorrect words inside or