版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/tether-tooltip/1.2.0/css/tooltip-theme-arrows.css
- https://cdn.bootcdn.net/ajax/libs/tether-tooltip/1.2.0/css/tooltip-theme-arrows.min.css
- https://cdn.bootcdn.net/ajax/libs/tether-tooltip/1.2.0/css/tooltip-theme-twipsy.css
- https://cdn.bootcdn.net/ajax/libs/tether-tooltip/1.2.0/css/tooltip-theme-twipsy.min.css
- https://cdn.bootcdn.net/ajax/libs/tether-tooltip/1.2.0/js/tooltip.js
- https://cdn.bootcdn.net/ajax/libs/tether-tooltip/1.2.0/js/tooltip.min.js