css keyframe 1 hour job

I will provide a list already coded using css and html you will add css keyframe and javascript to make list item clickable and show content below using keyframe animation smooth transition, since css3 doesn't work in IE8 it can show without animation in IE8 on click but every other browser computer, tablet, mobile should work same. current code works in IE8 to all browsers. When you are done your file will be same html file no additional file for .css or .js. 100% your code copyrighted to me from scratch not 3rd party work or library or framework etc. you get paid for 100% work only, must be done within 1 day if you are expert u should be done within an hour.