JSFiddle - React, Tailwind, and code Playground

HTML

<div class="buttons-wrapper">
<input class="btn" type="button" name="runUpdates" value="Run selected updates" data-link="/yadup.update/run" />
<input class="btn" type="button" name="createUpdate" value="Create new update" data-link="/yadup.update/create" />
<input class="btn" type="button" name="cancel" value="Cancel" />
<input class="btn" type="button" name="saveFile" value="Save file" />    
</div>

CSS

.buttons-wrapper {
    width: 400px;
    height: auto;
    display: inline-table;
}
.btn {
    width: 200px;
    display: table-cell;
}