tether

A client-side library to make absolutely positioned elements attach to elements in the page efficiently.

https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/css/tether-theme-arrows-dark.css
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/css/tether-theme-arrows-dark.min.css
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/css/tether-theme-arrows.css
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/css/tether-theme-arrows.min.css
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/css/tether-theme-basic.css
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/css/tether-theme-basic.min.css
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/css/tether.css
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/css/tether.min.css
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/js/tether.js
https://cdnjs.webstatic.cn/ajax/libs/tether/1.4.7/js/tether.min.js