Please try adding this to your custom css:
.woocommerce .woocommerce-ordering select, .woocommerce-page .woocommerce-ordering select {
margin: 0;
padding: 0;
-webkit-appearance: none;
-moz-appearance: none;
text-indent: 0.01px;
text-overflow: '';
cursor: pointer;
-webkit-border-radius: 0;
-moz-border-radius: 0;
border-radius: 0;
padding: 6px 40px 6px 14px;
height: 42px;
outline: 0;
background-image: url('images/[email protected]');
background-repeat: no-repeat;
background-position: 90% center;
background-size: 9px 6px;
}
select {
display: block;
vertical-align: top;
z-index: 2;
border: none;
outline: none;
display: inline-block;
-webkit-appearance: none;
-moz-appearance: none;
text-indent: 0.01px;
text-overflow: '';
appearance: none;
cursor: pointer;
-webkit-border-radius: 0;
-moz-border-radius: 0;
border-radius: 0;
padding: 8px 25px 8px 15px;
line-height: 110%;
margin: 0 0 5px;
background-image: url('images/[email protected]');
background-repeat: no-repeat;
background-position: 90% center;
background-position: calc(100% - 20px) center;
background-size: 9px 6px;
}
You may need to alter the image path for the arrow
– Kyle