Results 4 issues of Wallace Goulart Gaudie Ley

Theme version for react-bootstrap is ^1.0.0-beta.5. From beta.5 to beta.17 no bugs occurs. But after ^1.0.0 version upgrade layout is broken for Header DropdownMenu: ![image](https://user-images.githubusercontent.com/13734836/101827829-8a8d5b00-3b0f-11eb-8c44-fa26a8ded81f.png) ![image](https://user-images.githubusercontent.com/13734836/101827932-ab55b080-3b0f-11eb-8d79-fe2b8120fba1.png) The issue maybe is...

![image](https://user-images.githubusercontent.com/13734836/101828187-f8d21d80-3b0f-11eb-836e-8f50a4c2dc79.png) A quick fix (needs more testing): src\assets\scss\partials\menu_menu-lite.scss ```css @media only screen and (max-width: 991px) { .pcoded-navbar { position: absolute; ```

Hi, Thanks for all your hard work! This behaviour is provoking this bug on leaflet: https://github.com/Leaflet/Leaflet/issues/6075 Can you help?