Style adjustment for weather widget, list items for an activity
Added some more style on the activity page
modified:   app/assets/javascripts/weather.js
modified:   app/assets/stylesheets/list.scss
modified:   app/assets/stylesheets/nav.scss
modified:   app/models/activity.rb
modified:   app/views/activities/show.html.erb
modified:   app/views/categories/show.html.erb