<a href="" class="cs-button-4" aria-label="richiedi informazioni">Richiedi Informazioni</a>

.cs-button-4 {
    text-align: center;
    font-size: 1rem;
    line-height: clamp(2.875rem, 8vw, 3.5rem);
    text-decoration: none;
    font-weight: 700;
    min-width: 10.875rem;
    margin: auto;
    color: #fff;
    padding: 0 1.5rem;
    box-sizing: border-box;
    background-color: #f15a24;
    box-shadow: 4px 4px 0px 0px #1a1a1a;
    display: inline-block;
    position: relative;
    z-index: 1;
    transition:
        background-color 0.3s,
        box-shadow 0.3s;
}
.cs-button-4:hover {
    background-color: #1a1a1a;
    box-shadow: 0px 0px 0px 0px var(--primary);
}