WooCommerce Add to cart Button CSS
/* adds it in position of add to cart */
.added_to_cart {
padding-top: .5em;
white-space: nowrap;
display: inline-block;
border: 1px #ccc solid;
position: absolute;
padding: 5px 10px 6px;
z-index: 100;
background-color: #77a464;
border-radius: 4px;
color: #fff;
left:0;
width: 100%;
text-align: center;
bottom: 0;
}