…nput-prepend/append for responsive for both fluid and fixed sizing
adding the `&` combinator to `.placeholder` makes it work for the global case (in forms.less) as well as within `.navbar-search .search-query` the result can be seen in the generated bootstrap.css, which include the -ms vendor extension.
…g href=#), streamline less docs page
… is triggered before show delay has expired AND the hide delay is set to 0
…inline-block, fix height issue on textareas