JSFiddle - React, Tailwind, and code Playground

HTML

<div class="item-in-cart">
<input type="submit" name="delete[1]" class="delete" value="elimina">
    </div>
<div class="item-in-cart">
<input type="submit" name="delete[2]" class="delete" value="elimina">
    </div>

CSS

.item-in-cart {
width: 330px;
/** overflow: hidden; **/
border: 1px dashed #222;
margin-bottom: 20px;
padding: 15px;
position: relative;
z-index:2;
}
.item-in-cart .delete {
display: block; position:relative;
width: 25px;
height: 25px;
background:#000;
text-indent: -9999px;
padding: 0;
border: 0;
top: -35px;
left: -20px;
z-index: -1;}