:root {
    --offerCart: #8083e4;
    --offerCartHover: #2222ff;
}

.offers--items {
    border: 2px solid #dee2e6 !important;
    border-radius: 4px;
    transition: .4s;
}

.offers--items:hover {
    border: 2px solid var(--offerCart) !important;
}