.main-container{margin-top:40px;margin-bottom:150px}.puntero{cursor:pointer}.chat-window{padding:10px;width:300px;height:430px;overflow:hidden;border:1px solid #4080ff;border-radius:20px}.app-mensajes{overflow-y:scroll;height:270px;padding:5px}.animated{animation-duration:1s;animation-fill-mode:both}.fast{animation-duration:.3s;animation-fill-mode:both}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.fadeIn{animation-name:fadeIn}