JSFiddle - React, Tailwind, and code Playground
HTML
<button type="submit" class="smallbutton add_to_list_button" onclick="document.store_buy_1.mode.value='addtolist'; add_to_list_button_click(this);"><div title="Add to Supply List">[+] Supply List</div></button>
CSS
.add_to_list_button {
color: #900;
background-color: none;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 0px;
border: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-transition-duration: 0.3s;
-moz-transition-duration: 0.3s;
transition-duration: 0.3s;
outline: none;
cursor: pointer;
display: block;
margin: 5px 0px;
font-size: 9px;
}