.ref-cta {
    display: block;
    width: 230px;
    margin: 4rem auto;
    padding: 15px;
    text-align: center;
    text-decoration: none;
    color: wheat;
    font-weight: 600;
    background: linear-gradient(45deg, rgb(36, 24, 1), rgb(23, 11, 11));
    border-radius: var(--border-rad, 15px);
    box-shadow: 5px 5px 15px hsl(0, 0%, 12%);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ref-cta:hover {
    box-shadow: 3px 3px 10px hsl(0, 0%, 12%);
    filter: brightness(1.1);
}

.ref-cta:active {
    transform: translate(5px, 5px);
    box-shadow: none;
}