[#73183568] dropdowns +  [#73270894]buttons-dropdowns

in dropdowns

- [x] last dropdowns pattern (which uses [plugin](http://davidstutz.github.io/bootstrap-multiselect/))
 - this pattern doesn't have the same appearance as those in design comp.
Small thing but can we add a space after`:` something like this ` font-size: 10px;`
Also, if there are different places that are using this font size can you add it to `https://github.com/gengo/style-guide/blob/master/scss/_variables.scss` and reuse the variable :bow: