The Buttons will Show well with:

.woocommerce #respond input#submit, .woocommerce a.button, .woocommerce button.button, .woocommerce input.button {
padding: 10px 20px;
font-weight: 400;
border-radius: 0;
color: #fff;
background-color: #fe5722;
border: 1px solid #fe5722;
height: auto; !
margin-bottom: -20px;
line-height: 20px;
font-size: 0.9em;
}