/* buttons */
.hikashop_product_stock .btn.button.hikashop_cart_input_button,
.hikashop_product_stock a.hikashop_cart_button {
margin: 7px 0px 21px 0px;
}
.hikashop_product_stock a.hikashop_cart_button {
padding: 12px 21px 11px;
}
.hikashop_categories_listing_main .btn:hover,
.hikashop_categories_listing_main .btn:focus {
box-shadow: 0px 5px 11px 0px rgba(0, 0, 0, 0.18), 0px 4px 15px 0px rgba(0, 0, 0, 0.15)!important;
}
.hikashop_cart_input_button,
a.hikashop_cart_button {
color: #FFF!important;
background-color: #9e9e9e;
font-family: 'Roboto', Helvetica, Arial, sans-serif;
font-size: 15px;
margin-top: 21px;
margin-bottom: 7px;
padding: 11px 21px 10px;
background-image: none!important;
box-shadow: none;
text-shadow: none;
display: inline-block;
width: auto!important;
transition: all 0.3s ease-out 0s;
border: 1px solid transparent;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
}
.hikashop_module .hikashop_cart_input_button:hover,
.hikashop_module .hikashop_cart_input_button:focus,
.hikashop_module a.hikashop_cart_button:hover,
.hikashop_module a.hikashop_cart_button:focus,
.hikashop_cart_input_button:hover,
.hikashop_cart_input_button:focus,
a.hikashop_cart_button:hover,
a.hikashop_cart_button:focus {
color: #FFF!important;
background-color: #333!important;
border: 1px solid transparent;
/* box-shadow: 0px 5px 11px 0px rgba(0, 0, 0, 0.18), 0px 4px 15px 0px rgba(0, 0, 0, 0.15)!important; */
}
I would recommend to contact your template provider in order to get a more precise answer as to what to do exactly to change that as they know better what they did than us.