.mills-fence-contact .btn-custom {
    background: transparent;
    color: #fff;
}

.mills-fence-contact .btn-custom.gold.arrow:before {
    content: "";
    position: absolute;
    background: #EFC031;
    height: 100%;
    top: 0;
    bottom: 0;
    width: 100%;
    transition: .7s;
    left: -24px;
    clip-path: polygon(0% 0%, 88% 0%, 85% 100%, 0% 100%);
    z-index: -1;
}

.btn-custom.gold.arrow:hover::before {
    left: -104%;
}