画面が小さい状態でドロップダウンを表示するとメニューの位置がずれてしまう...
<div class="dropdown">
<button class="dropdown-toggle" type="button"
data-reference="dropdown-toggle" data-toggle="dropdown"
aria-haspopup="true" aria-expanded="false">Submit
</button>
<div class="dropdown-menu dropdown-menu-right"></div>
</div>
解決
Note when boundary is set to any value other than 'scrollParent', the style position: static is applied to the .dropdown container.
Dropdowns Bootstrap
data-display="static"
で動的な表示位置の変更を止める
メニューにmargin等を設定して位置を微修正👍
<div class="dropdown">
<button class="dropdown-toggle" type="button"
data-reference="dropdown-toggle" data-toggle="dropdown" data-display="static"
aria-haspopup="true" aria-expanded="false">Submit
</button>
<div class="dropdown-menu dropdown-menu-right mt-3"></div>
</div>