.smi__items {
    display: flex;
    margin: 0 -10px;
    flex-wrap: wrap;
}

.smi__item {
    display: block;
    margin: 0 10px 10px;
    padding: 20px;
    font-family: DinProMedium;
    font-size: 16px;
    border-color: #012265;
    transition: var(--trasnition);
    background-color: var(--card-1);
    border-radius: 5px;
    height: 210px;
    color: #fff;
    position: relative;
    width: calc(100% / 3 - 20px);
    font-size: 18px;
}

.smi__item:hover {
    opacity: .7;
}

.smi__item:nth-child(4n+2) {
    background-color: var(--card-2);
}

.smi__item:nth-child(4n+3) {
    background-color: var(--card-3);
}

.smi__item:nth-child(4n+4) {
    background-color: var(--card-4);
}

@media screen and (max-width: 767.98px) {
    .smi__item {
        width: calc(100% / 2 - 20px);
    }
}

@media screen and (max-width: 575.98px) {
    .smi__item {
        width: calc(100% - 20px);
    }
}